Answer:
Someone else answered it, but a plant root is a example of a a plant that typically lies below the surface of the soil.
Explanation:
Plant roots are integral to a plant's ability to absorb nutrients, provide structural support, store food, and sometimes propagate asexually. The tap root system, such as that of a carrot, features a main root with secondary roots, whereas a fibrous root system, like that of grasses, consists of a dense network of roots.
A plant root is an example of an organ in plants that plays a crucial role in water and nutrient absorption, anchorage, and sometimes storage and asexual reproduction. Dandelion, with its tap root, serves as a common example of a plant that utilizes its root system for these purposes. Roots can be specialized to perform additional functions such as the bulbous roots storing starch, the taproots of carrots, turnips, and beets being modified for food storage, and roots involved in asexual reproduction like the poplar and aspen trees that form clones from their roots.
There are two primary types of root systems: the tap root system and the fibrous root system. The tap root system consists of one main root, as seen in a plant like a carrot, whereas a fibrous root system, which can be found in grasses such as wheat, rice, and corn, has a dense network of roots closer to the soil surface. The former is typically found in dicots whereas the latter is often seen in monocots.
Plant and animal cells both have cell membranes and nuclear
membranes. However, plant cells have a structure that animal cells
do not known as a:
Plant and animal cells both have cell membranes and nuclear membranes. However, plant cells have a structure that animal cells do not know as chloroplasts.
Is the chloroplast in plant and animal cells?
Chloroplasts are found in plant cells, but not in animal cells. The purpose of the chloroplast is to make sugars that feed the cell's machinery. Photosynthesis is the process of a plant taking energy from the Sun and creating sugars.
Do both plant and animal cells have cytoplasm a membrane and a nucleus?Both plant and animal cells are eukaryotic, so they contain membrane-bound organelles like the nucleus and mitochondria.
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On the ph scale which value is considered neutral
A-7
B-5
C-11
D-2
Answer: On a ph scale its measures how acidic or basic the substance is and it ranges from 0-14 the smaller numbers are acidic and the bigger numbers are basic. The neutral number which is between 0-14 is 7 and a example of a substance that is neutral is distilled water.
Explanation:
Answer:
A-7 is considered neutral on the PH scale
Thinking futuristic to when you will have established your unique niche in the medical field, what traits do you possess that will give you the ability to adapt and thrive within your workplace environment
Answer:
There are several factors which are required for a better adaptability in a new workplace. As far as medical field is concerned, it demands alot of hardwork and resilience.
I have a very hardworking nature through which i try to create my worth in new place. This helps me in not getting afraid of difficult task and take them as a challenge to reach the next step. I come out of my comfort zone to not only fulfill my responsibilities but also help my workplace to bring best out of me through discussion and open mindedness. I have a lot of patience when it comes to dealing with some critical situations such as the procedures we have to perform by taking decisions in very little time when it is a matter of life and death for patient. I think that i am blessed with a sound mind and health through which i will be able to adapt in the job in great way.
Hope it helps!
What an organism looks like as a result of its genes is called
The look of an organism according to its genes is called as phenotype of an organism.
Explanation:
The genetic makeup of an organism is usually called as the genotype whereas the physical morphological structure of an organism is termed as a phenotype of an organism. The phenotype usually depends upon the genotype of the organism; this genotype is not visible and hence cannot be known easily.
Whereas a phenotype is easily visible. To know the genotype of an organism the unknown organism should be crossed with a true breeding cross.
What does excessive algae on water cause?
When algae cover a river surface, it causes depletion of oxygen in water. This is known as____
Excessive algae on water causes depletion of oxygen in the water, a process known as eutrophication. This occurs when excess phosphorus and nitrogen from fertilizer runoff and sewage lead to the growth of algae, which depletes dissolved oxygen and results in the death of aquatic organisms.
Explanation:Excessive algae on water causes depletion of oxygen in water. This is known as eutrophication. Excess phosphorus and nitrogen from fertilizer runoff and sewage enter aquatic ecosystems and lead to the excessive growth of algae. When the algae die and decompose, it depletes dissolved oxygen, causing the death of aquatic organisms like fish and shellfish. This process is responsible for dead zones in lakes and rivers and massive fish kills.
Which features do all new rocks formed near an oceanic ridge share? Check all that apply.
-pillow-shaped
-striped pattern
-provide evidence to seafloor spreading
-made from molten material
-iron oriented in same direction
Answer:
Options (1), (2), (3) and (4)
Explanation:
Mid oceanic ridge is the region along the spreading of the sea floor occurs. Along this ridge, the magma come out to the surface, and lava forms pillow shaped rocks such as pillow basalt. Basalt is the dominant rock type in the oceanic crust.
There occurs striped patterns that are oriented parallel mid oceanic ridge, and this strips depicts the magnetic field of the earth, and it keeps on changing on each eruption of this magma beneath the ocean long this ridge.
The mid oceanic ridge suggests the spreading of the sea floor and the rocks present at this ridge are younger than the rocks that are away from the ridge.
This rocks are comprised of the molten iron material that are present in the mantle and suggest the magnetic field of the earth during the time of eruptions.
Hence, the correct answers are options (1), (2), (3) and (4).
Which promotes a more sustainable use of resources?
A. Decreasing overconsumption
B. Switching to oil-based electricity
c. Ending recycling programs
D. Using more land for agriculture
Answer:
a.
Explanation:
The correct answer is A. Decreasing overconsumption
Explanation
During the last years, environmental concerns have increased due to high levels of contamination and destruction of ecosystems. In response to this situation, a worldwide movement has emerged that promotes environmentally friendly practices that aim at reaching sustainability. The term "sustainability" refers to a global trend to find the balance between the conservation of nature and the use of natural resources; one of the most important principles to achieve this is to reduce consumption; this leads to a decrease in the negative impact of human societies as fewer resources are taken from nature and thus, ecosystems are preserved. So, the correct answer is A. Decreasing overconsumption
evesa
SOS
-) Some substances are absorbed into the capillaries by active uptake.
0 Explain why active uptake is sometimes necessary
Answer:
Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.
Explanation:
Final answer:
Active uptake is necessary for substances that cannot passively diffuse across cell membranes because they need to move against a concentration gradient. This requires energy in the form of ATP and is fulfilled by the active transport mechanism using cellular proteins as pumps.
Explanation:
Active uptake is sometimes necessary because some substances cannot be absorbed by passive means due to the fact that they need to move against a concentration gradient from areas of lower concentration to areas of higher concentration. This is where active transport comes into play. Proteins in the cell membrane, often referred to as pumps, utilize cellular energy, generally in the form of adenosine triphosphate (ATP), to move the substance.
Additionally, certain nutrients or ions may not be able to dissolve in the lipid layer of the membrane or are too large to pass through the available channels. In the liver, kidney, and central nervous system, as well as for maintaining electrolyte and nutrient balance, active transport is crucial for the movement of such substances. This transport mechanism is vital for cells to take up nutrients and maintain their function, providing the energy necessary for life-sustaining processes.
Where does the water in lakes come from? Select the three correct answers.
A. Underground reservoirs
B. Ocean waves
C. Melting snow
D. Surface-water runoff from rain
Apex
Answer: the correct answers are A, C, and D.
Explanation:
if the water is in a lake then no ocean water can reach that lake.
Underground reservoirs and Melting snow and Surface-water runoff from rain are the sources of water in lakes.
What is Water source?Rainfall or melting snowfall is the source of practically all of the water supplies for human civilisation.
Rain that falls on land either evaporates to form streams and rivers or seeps into the soil to form groundwater. The sluggish subsurface movement of groundwater eventually causes it to resurface at the bottoms of lakes and rivers.
Every river or stream drains a certain portion of the land. The watershed of a river refers to the region of land that it drains. Drainage basins are another name for a watershed.
Therefore, Underground reservoirs and Melting snow and Surface-water runoff from rain are the sources of water in lakes.
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Explain why the jet stream looks so different in picture one and picture two. Please refer to the tutorial to answer this question. Please answer using complete sentences.
Answer:
The picture on the left is an illustration of the jet stream on the northern hemisphere during summer. In the tutorial it states, the temperature contrast between cold and warm air masses are smaller, so the jet stream is not that strong only travelling at 50-70 mph. The picture to the right is an illustration of the jet stream on the northern hemisphere during winter. In the tutorial it states the temperature contrast between cold and warm air masses are greater, so the jet stream is very strong travelling at 90-160 mph.
Explanation:
Trust me this the correct answer.
The differences in the appearance of the jet stream in two pictures can be attributed to various factors, most notably the atmospheric conditions and activities such as storms and atmospheric turbulence occurring at the time when the pictures were taken.
Explanation:The jet stream appears different in the two pictures due to the different factors influencing its visual representation in each picture. In general, jet streams are fast flowing, narrow air currents found in the atmosphere of some planets, including Earth. These streams are typically found in the troposphere or stratosphere. The path of the jet stream, which includes direction and speed, is influenced by a number of factors including the rotation of Earth on its axis and temperature differences in the Earth's atmosphere.
However, other external factors can attribute to their appearance in pictures. For instance, the presence of storms could make the flow of the jet streams appear more turbulent and change their course, while atmospheric turbulence can distort the path of light, making the jet streams seem to take different shapes. For the planets like Jupiter and Saturn mentioned in the tutorial, their differing latitudinal wind patterns and pressures also contribute to the varying appearances of their respective jet streams.
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energy is the energy an object has because of its motion.
Potential
Nuclear
Kinetic
Thermal
Answer:
Kinetic
Explanation:
Energy is the ability to do work. There are various forms of energy and energy can be converted from one form to another. Without energy, work cannot be done.
Energy due to the motion of a body is known as kinetic energy.
Potential energy is the energy due to a body in rest.
Thermal energy is produce as a result of heating of a body. Nuclear energy is produced from nuclear reactions.
Answer:
it's kentic energy
Explanation:
Classify the industries as primary secondary or tertiary
Answer:
The answer is explained below.
Explanation:
Primary industries is a term that refers the sector of industries related to natural resources, such as fishing.
Secondary industries are the ones that are related to processing activities, such as textile manufacturing.
Tertiary industries are the ones that refer to services or goods, such as banking and insurances.
telophase II
prophase II
a period in the life of the cell when it is conducting cell
division
the stage in the first meiotic division in which the doubled
2. chromosomes become visible and the nuclear membrane
disappears
the stage in the second meiotic division in which the
3. chromatid pair becomes visible and the nuclear membrane
disappears
the stage of the first meiotic division when the cell divides
4. into two cells, each containing one member of each pair of
homologous chromosomes
the stage of the second meiotic division when the cell
divides into two haploid cells that become the gametes
M phase
telophase !
5
prophase!
M Phase -1 --a period in the life of the cell when it is conducting cell division
Prophase I -2 --the stage in the first meiotic division in which the doubled chromosomes become visible and the nuclear membrane disappears
Prophase II -3 -- the stage in the second meiotic division in which the chromatid pair becomes visible and the nuclear membrane disappears
Telephase I -4 -- the stage of the first meiotic division when the cell divides into two cells, each containing one member of each pair of homologous chromosomes
telophase II -5 --the stage of the second meiotic division when the cell divides into two haploid cells that become the gametes
I read the whole list of vocab and found the answers myself so here they are and I hope this helps you (:
M Phase - a period in the life of the cell when it is conducting cell division. Prophase II - the stage in the second meiotic division in which the chromatid pair becomes visible and the nuclear membrane disappears.
The M Phase, which occurs during cell division, is the stage of a cell's existence when it divides into two daughter cells. It includes both meiosis and mitosis in reproductive cells as well as both in somatic cells.
The chromatids become apparent and consolidate during prophase II, which takes place in the second meiotic division. Additionally, the nuclear membrane breaks down, enabling additional division.
The second meiotic division's terminal phase is known as telophase II. The cell divides into two haploid gametes that have only one set of chromosomes each.
Prophase I, in contrast, involves the doubling and condensing of chromosomes during the first meiotic division.
The interchange of genetic material between homologous chromosomes is made possible by the nuclear membrane's breakdown.
Thus, these phases are essential to gamete development and meiosis, which produces genetically varied progeny.
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Many types of birds expend large amounts of energy to fly long distances in the spring. How can a trip like this be worthwhile to
the birds?
O
Select one:
O a Birds that migrate find an abundant supply of food and safer nesting areas
b. Bird migration is an instinct that birds retain from their ancient ancestors, it has little value for bird populations in today's
world
c. Birds must change food sources during the year to be able to balance their diets
d Birds expend little energy when they fly and they stop often to take breaks
O
Migratory birds take long journeys to find abundant food supplies and safer nesting sites, which are essential for their survival and reproductive success. Hence, option a is correct.
Bird migration is an evolved behavior that is crucial for the survival of bird populations as it is an adaptive response to changes in resource availability. During their migrations, birds travel to areas that offer better living conditions with respect to climate and food, which is vital for their breeding success and the survival of their offspring.
Which process produces two genetically identical diploid cells?
Answer:
Meiosis II
Explanation:
the process is similar to mitosis, though its genetic results are different.
Answer:
The correct answer is - mitosis.
Explanation:
Mitosis is one of the processes of the life cycle. The mitosis is a cell division. That takes place in somatic cells of other cells of the body except for gonad cells.
Mitosis is the process involves the division of parent cell into two genetically same or identical cells with the exact same number of chromosomes. It produces diploid daughter cells that mean 2n.
Thus, the correct answer is - mitosis.
What are some harmful side affects in the food production
Harmful side affects in the food production:
· climate change
· eutrophication
· acid rain
· biodiversity
what is not a basic function of a cell
Answer:
To carry out homeostasis
Explanation:
Answer:
Stopping homeostasis from happening
Explanation:
Poison dart frogs live in the rainforest. They produce a poison by eating toxic fire ants. The only known predator is a snake, Liophis epinephelus. Which of the following factors is most likely a density-independent regulator of population growth of poison dart frogs in the rainforest?
Answer:
a possible answer would be the population of frogs stays up because of predators not eating/ or not wanting to eat the poisonous frog because of patterns or because the frogs kill their predators. hope this helps????
Explanation:
Clear cutting the rain forest
Your Welcome! :D
How does the acidity of soil affect flower growth?
Soil pH can affect plant growth in several ways. Bacteria that change and release nitrogen from organic matter and some fertilizers operate best in the pH range of 5.5 to 7.0 making this the optimum pH range. Plant nutrients leach from the soil much faster at pH values below 5.5 than from soils within the 5.5 to 7.0 range. In some mineral soils aluminum can be dissolved at pH levels below 5.0 becoming toxic to plant growth. Soil pH may also affect the availability of plant nutrients. Nutrients are most available to plants in the optimum 5.5 to 7.0 range. PH can also affect the structure of the soil, especially in clay soils. In the optimum range clay soils are granular and easy to work with. However, if the soil is either extremely acid or alkaline clay, soils tend to become sticky and hard to cultivate.
A pH soil test will tell you whether your soil is within the optimum range or whether it will need to be treated to adjust the pH level. Although the optimum range is 5.5 to 7.0 some plants will grow in a more acid soil and some at a more alkaline level.
PH is not an indication of fertility, but it does affect the availability of fertilizer nutrients. The soil may contain adequate nutrients yet plant health may be limited by an unfavorable pH level. On the other hand, builder’s sand, which is devoid of nutrients, may have optimum pH for plant growth.
Answer:
Asking a question
Explanation:
Please HELP!!! what must be present for active transport to occur?
Answer: ATP
Explanation: Active transport requires energy to occur, hence the ATP is necessary for energy.
Active transport, a biological process, requires ATP (energy source), transport proteins (to move substances), and a concentration gradient (higher concentration to lower concentration). A common example is the sodium-potassium pump in cells.
Explanation:Active transport is a process in cellular biology where substances are moved across cell membranes from an area of lower concentration to an area of higher concentration. This is contrary to passive transport, which moves substances along their concentration gradient (high to low concentration)
For active transport to occur, three things are primarily needed:
Adenosine triphosphate (ATP) - This is the energy source required for active transport. ATP provides the energy necessary to move substances against their concentration gradient. Transport proteins - These act like pumps and are integral in aiding the cell move substances across the membrane. They interact with the substances that need to be transported and use energy from ATP to move them against their concentration gradient. Concentration Gradient - The substance being transported is usually moved from an area of lower concentration to an area of higher concentration. This movement is against the gradient, and thus requires energy.
An example of active transport in cells is the sodium-potassium pump, which moves sodium ions out of the cell and potassium ions into the cell, both against their respective concentration gradients.
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A species has homologous chromosomes. What does this say about the species?
A. It has alleles that control certain traits.
B. It has pairs of matching chromosomes.
C. It is a eukaryote and a haploid species.
D. It has DNA that is made up of genes.
Answer:
B. It has pairs of matching chromosomes.
Explanation:
Homologous chromosomes are specific chromosomal set where two chromosomes contain almost centromere position, same length, same sequence of genes and similar staining pattern.In simple words we can say that these are the chromosomes that match with each other and are found in pairs. All the diploid organisms like human beings contain homologous chromosomes (a set of two chromosomes where one is i inherited from father and other from mother)/. These chromosomes due to their similar alignment play an important role in reproduction of organisms. where one is inherited from each parent and joined in the daughter organism to bring the beautiful creature into existence.
Hope it help!
Answer:
B- It has a pair of matching chromosomes.
Explanation:
6. Through which process is energy transferred to a molecule that the cell can use as fuel for its various activities?
O By the removal of a phosphate group, ADP is converted to ATP.
O By the addition of a phosphate group, ADP is converted to ATP.
O By the linking of nucleic acids, the cell produces DNA.
O By the linking of amino acids, the cell produces proteins.
The process by which energy is transferred to the molecular is by the addition of a phosphate group, ADP is converted to ATP. ( optionB)
What is cellular respiration?Cellular respiration is a complex biochemical process that occurs within cells to produce energy in the form of adenosine triphosphate (ATP).
It involves the breakdown of organic molecules, such as glucose, through a series of enzymatic reactions. Cellular respiration takes place in the mitochondria of eukaryotic cells.
The process through which energy is transferred to a molecule that cells can use as fuel is called cellular respiration.
It involves the breakdown of glucose and other molecules to produce ATP, which is the primary energy currency of cells.
Therefore, the process by which energy is transferred to the molecular is by the addition of a phosphate group, ADP is converted to ATP.
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A pharmaceutical company is testing a new drug that they claim allows dogs to repel
flea infestation. They give 100 dogs the medication and another 100 dogs a sugar
pill.
Which of the following is true of this experiment?
The sample size is too low.
The sugar pill would be a placebo.
The independent variable is the number of fleas on dogs.
The dogs with the placebo would be the experimental group.
Answer:
The sugar pill is called a placebo.
Explanation:
The placebo), is a harmless sugar pill that would have no effect on any of dogs.
The "control" group is the group that had the actual medication. This is the group they will b checking to see if any fleas or how many fleas r on the control group to gauge the success or failure of the medication.
Option B is correct; the sugar pill is a placebo used as a control in this experiment. The independent variable is the administration of the medication, and the dependent variable is the number of fleas.
In this experiment, the correct answer is that the sugar pill would be a placebo, making option B true. The placebo is used as a control to compare against the group of dogs receiving the new drug to repel fleas. The experimental group receives the new drug, while the control group receives the placebo.
This helps to determine if the drug itself is effective by measuring any differences in flea infestation between the two groups. The independent variable in this experiment is the administration of the medication (new drug vs. placebo), and the dependent variable would be the number of fleas on the dogs. The group given the placebo forms the control group, not the experimental group
Viruses such as avian (bird) flu and swine flu that mutate and can spread from animals to human populations are known as what? A. Transmuting viruses B. Zoonoses C. Vectors D. Epidemics
Answer:
B
Explanation:
caused my animals and transfers to humans
Answer:
B. Zoonoses
Explanation:
Zoonoses are diseases typical of animals that can be transmitted to humans and vice versa. The word has Greek origin, where zoon means animal and nosos means disease. Usually these diseases are caused by parasites hosted on animals. However, zoonoses can also be caused by microorganisms such as viruses, bacteria and fungi.
Which continents contain coal fields that provide evidence for continental drift?
Answer:
Eurasia, North America, Africa, and South America
Answer: D
Explanation: I took the test I got a 100%
Match each biodiversity problem with the most appropriate solution. reforestation classifying the species as endangered construction of a wildlife corridor bioremediation A large highway prevents yellow-spotted salamanders from traveling to their breeding grounds. arrowBoth A population of channel catfish is threatened by a high level of pollution in a river. arrowBoth The hawksbill sea turtle is in decline because of excessive hunting and exploitation. arrowBoth The loss of vegetation in a forest reduces the survival rate of eastern bluebirds. arrowBoth
Answer:
A large highway prevents yellow-spotted salamanders from traveling to their breeding grounds - Construction of wildlife corridor
The hawksbill sea turtle is in decline because of excessive hunting and exploitation - Classifying the species as endangered
A population of channel catfish is threatened by a high level of pollution in a river - Bioremediation
The loss of vegetation in a forest reduces the survival rate of eastern bluebirds - Reforestation
Explanation:
This biodiversity problem can be solved by Construction of wildlife corridor.
The hawksbill sea turtle is in decline because of excessive hunting and exploitation.This is an example of Classifying the species as endangered.
A population of channel catfish is threatened by a high level of pollution in a river.Bioremediation can be used to solve this biodiversity problem.
The loss of vegetation in a forest reduces the survival rate of eastern bluebirds.This is an example of Reforestation
What are wildlife corridor?Large bridges covered with trees and shrubs that go over freeways for wildlife to cross are known as wildlife corridors. These wildlife corridors are being created to let let wildlife move safely from one area to the next.
What are endangered species?An endangered species is a species that is very likely to become extinct in the near future. Endangered species may be at risk due to factors such as habitat loss, poaching and invasive species.
What is bioremediation?Bioremediation broadly refers to any process wherein a biological system, living or dead, is employed for removing environmental pollutants from air, water, soil, flue gasses, industrial effluents .
What is reforestation?Reforestation is the natural or intentional restocking of existing forests and woodlands that have been depleted, usually through deforestation.
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how do auxins promote the growth of a tendril around a support
What happens when a population is in hardy-Weinberg equilibrium?
A. mutations are common
B. Organisms produced of organisms produced no offspring
C. Allele frequency is stable
D. There are infinitely alleles
Answer:
C; Allele Frequency is stable.
Explanation:
When a population is in Hardy-Weinberg equilibrium, there are five conditions within that: 1) no mutations, 2) random mating among organisms, 3) no gene flow (meaning no exchange of alleles among different populations through either immigration or emigration), 4) large population size and 5) no natural selection. If there can be no mutations in the alleles, no gene flow and no natural selection, then the allele frequencies of a population in Hardy-Weinberg equilibrium must be stable with no fluctuations.
Answer:
C. Allele is stable
Explanation:
How do animals store energy
Answer:
Animals store their glucose subunits in the form of glycogen, a series of long, branched chains of glucose.
Explanation:
ANSWER:
Animals store their energy in glycogen form in the body. This energy has been stored in the body for later use to perform the various life functions.
EXPLANATION:
Animals obtain their energy from the food they take in so that the various metabolic processes of the body can be performed. When animals eat food, the glucose present in food is broken-down by "cellular respiration" into an energy molecule known as ATP. When "excess ATP and glucose" are present, these are converted to glycogen by the liver and stored in the body for later use.6. Which one of the following is NOT an organ system?
A. Lymphatic
B. Integumentary
C Nervous
• D Eliminating