Answer:
False
Explanation:
Our cells are dying every minute, and our body is making more to compensate for the losses. In fact, about 70 billion of our cells die each day!
Hope this helps! :)
Answer:
I’d say true
Explanation:
From what I know they merely get older and stop dividing. To say most not 100% sure since we get injured and that caused cells to die trying to help (exposure)
By studying fossils, scientists have learned that
A. plants have changed over time, but animals have not.
B.animals have changed over time, but plants have not.
C. neither animals nor plants have changed over time.
D. both animals and plants have changed over time.
Reset
Submit
Answer:
D
Explanation:
both plants and animals have evolved over time
Modern Humans are classified as the species?
Answer:
Homo sapiens
There are four boys in Paul’s family. By the age of nineteen, all of them are over six feet tall. The data table below shows their height at different ages:
Age 8
Age 12
Age 16
Age 20
Age 24
Paul
4 ft 8 in
5 ft 0 in
5 ft 11 in
6 ft 1 in
6 ft 1 in
Bruce
4 ft 6 in
4 ft 11 in
5 ft 10 in
6 ft 1 in
6 ft 1 in
Tom
4 ft 9 in
5 ft 0 in
6 ft 0 in
6 ft 2 in
6 ft 2 in
Steve
4 ft 7 in
4 ft 11 in
5 ft 11 in
6 ft 1 in
6 ft 1 in
What can be said about the growth trend for boys in Paul’s family?
a.
All four boys grew at a steady, consistent rate between the ages of 8 and 24.
b.
All four boys had a growth spurt around the age of 20.
c.
Between the ages of 12 and 16, all four boys had the biggest jump in height.
d.
Between the ages of 8 and 12, all four boys had the biggest jump in height.
The correct answer is c. Between the ages of 12 and 16, all four boys had the biggest jump in height, which aligns with the typical adolescent growth spurt occurring in boys during puberty.
The question is asking to identify the growth trend for the boys in Paul's family based on the data provided. When we analyze the data table, it is evident that between the ages of 12 and 16, all four boys had the biggest jump in height, which indicates that this period was likely when they experienced their adolescent growth spurt (AGS). This observation is consistent with biological patterns of growth during puberty, as boys typically begin their growth spurt between 10 and 16 years old, with a peak velocity around the age of 13.5 years. Therefore, the correct answer to the question of what can be said about the growth trend for the boys in Paul's family is c. Between the ages of 12 and 16, all four boys had the biggest jump in height.
Zebra mussels have the following genotypes and phenotypes. Which cross would the greatest number of heterozygous offspring. A) AA x aa C) AA x Aa or D) aa x Aa
Answer:
In Zebra mussels the cross that would the greatest number of heterozygous offspring is AA X aa (option A).
Explanation:
For a specific trait the cross that provides the greatest amount of heterozygous offspring is that of two pure lines, dominant and recessive. In this case, AA x aa will have a 100% probability of heterozygous (Aa) offspring, as can be seen in a Punnett chart:
Alelles A A
a Aa Aa
a Aa Aa
AA X Aa will only have a 50% chance of heterozygous offspring, as will the cross aa X Aa.
- AA X Aa
Alelles A A
A AA AA
a Aa Aa
- Aa X aa
Alelles A a
a Aa aa
a Aa aa
A heterozygous genotype results in two different alleles being found in one gene, which determines a specific trait, where the dominant characteristic is expressed in the phenotype.
A) AA x aa
yuh lololololololol it wouldn't let me explain. but this is correct
Gabriel is at a stage where his body is changing physically; he is growing facial hair and building muscle. He is also just starting to make sperm.
What is most likely Gabriel’s age:
A) 5
B) 12
C) 17
D) 21
Answer:
b
Explanation:
What is the result of eutrophication?
Eutrophication is the enrichment of the water bodies with excessive nutrients. As a result of eutrophication, algae deplete the oxygen causing the fish to die. Thus, option A is correct.
What is eutrophication?Eutrophication causes an excess increase in nutrients and minerals like nitrogen and phosphorus in the water body. It in turn increases the algal growth.
The algal bloom in the water causes a decrease in the biological oxygen demand (BOD) of the water resulting in the death of the fish. The lack of oxygen in the water leads to fish death.
Therefore, eutrophication causes fish death by the algal bloom.
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where are the eggs produced and stored in the female body
a
b
c
d
Answer: The ovaries.
Explanation: The ovaries are two oval-shaped organs that lie to the upper right and left of the uterus. They produce, store, and release eggs into the Fallopian tubes in the process called ovulation.
Consider this food web. It is rich with animal species that fill a variety of niches within the ecosystem. Imagine that a local farmer has sprayed the area with insecticide. Predict how this might impact the food web and the roles each organism plays within it.
Answer:
anything that lives off insects in that area to die causing there predators to migrate to a different area.
Explanation:
Answer:
C) One Section would be greatly impacted: containing insects and insect eating animals...
Explanation:
jus did it on usatestprep
Which of the following is an abiotic factor that is having a negative impact on marine populations? (3 points)
Grupo de opciones de respuesta
Loss of seagrass beds
Predation by invasive species
The presence of algae blooms
The lack of oxygen in coastal waters
Answer:
The lack of oxygen in coastal waters.
Explaination: It leads to increased in death of marine population, change in their growth, reproduction, and behavior.
What separates rabbits/primate from the crocodiles on this cladogram?
Answer:
eggs with shells
Explanation:
Crocs lay eggs and rabbits dont.
10p
Which of the following does NOT accurately define the importance of
carbon? *
O
It is the universal solvent
It is a part of all organic compounds, including carbohydrates and nucleic acids
O
It is found in every living thing.
O
It ensures life on Earth can exist
Answer: It is a universal solvent does not accurately define carbon.
Explanation:
Carbon is not a universal solvent but water is a universal solvent because it is liquid and dissolve most compounds.
Carbon is the 15th most naturally occurring element on Earth. It is considered as part of living organisms components. It form the components of biomolecules like carbohydrates, fats, and protein which are the essential nutrients needed for cellular processes in living organisms, a requirement for survival.
Answer:
It is the universal solvent
Explanation:
That carbon is the universal solvent does not accurately define the element.
Carbon, when considered alone naturally occur as a solids. It exists freely in nature as diamond, graphite, and also a major constituent of coal.
Carbon also exist as part of all organic compounds such as nucleic acids and carbohydrates and other important biomolecules that make up life.
By definition, a solvent is a substance that is capable of dissolving a solute, resulting in a solution. Most solvents are usually in liquid forms.
Hence, that carbon is a universal solvent is incorrect.
What survival advantage does an unhinged jaw give the California Kingsnake?
better vision due to eye positioning on head
greater efficiency in oxygen absorption
ability to conform to tight spaces
Answer:
The unhinged jaw allows the snake to eat something larger than its mouth could open in the snake couldn't unhinge its jaw.
Explanation:
What is the relationship between auxin and phototropism?
Answer:
It functions as hormones or chemical messengers.
Explanation:
This shows that somehow one-sided lighting causes less plant tissue to gather on the illuminated side and more to gather on the shaded side. This makes the cells on the shaded side grow and enlarge faster, causing the sprout to bend towards the light.
Who painted the image above?
Answer:
What image?
Explanation:
Next time please provide pictures and/or options to answer specific questions so we can help you with the problems you may have :)
Thank you...
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More and more bacteria are becoming antibiotic-resistant. How might this affect our ability to fight certain infectious diseases in the future? *
Answer:
this would make more bacteria resistant to antibodies which could lead to extreme sickness or even death
HELP PLEASE!!!!
How might a flood affect the population of an area?
increase the population
reduce the population
increase available resources
reduce the need for resources
Answer: reduce the population
Explanation: The flood would increase the need for resources due to destroying them. The flood wouldn't increase the population unless it did no damage and flooded in an area they set up to get flooded. Also a flood wouldn't increase available resources because it destroys them ( trees, food in a house, plants, equipment, and homes).
A flood can have a significant impact on the population of an area, and typically, it is more likely to reduce the population, which is the second option, as a flood is more likely to reduce the population of an area than increase it and washes the organisms both biotic and abiotic.
What is a flood?When a flood occurs, it can have a variety of negative impacts on the local population. One of the most significant impacts is displacement and migration. Floods can destroy homes, infrastructure, and other vital resources, making it unsafe or impossible for people to remain in affected areas. As a result, people may be forced to relocate temporarily or permanently, which can result in a decline in the local population. Recently, man-made causes caused the recent flood, as climate change was the main reason behind it.
Hence, a flood can have a significant impact on the population of an area, and typically, it is more likely to reduce the population, which is the second option.
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What does the B cell do that makes it so important?
Here, you go:
Answer:
Generation of B Cells. The immune system is remarkable for its ability to respond to a great many antigens.
Explanation:
These cells make antibodies which defends and fights out viruses in our bodies.
~Hope This Helps~
What term best describes a bee's role of gathering pollen? *
niche
predator
Parasite
Habitat
The term that best describes a bee's role in gathering pollen is 'pollinator,' reflecting its mutualistic relationship with flowering plants and its vital role in the ecosystem including food production.
Explanation:The term that best describes a bee's role of gathering pollen is pollinator. When bees collect nectar from flowers, pollen sticks to their bodies and is then transferred to other flowers, facilitating the process of pollination. This interaction between bees and flowering plants is known as a mutualistic relationship as per option 'd' because it is beneficial to both the bees and the plants. Bees obtain nectar, which they use for food, and plants receive assistance with their reproductive process through the transfer of pollen. As indicated in the options provided, this is not an example of a bee being a predator, a parasite, nor does it describe its habitat, but rather defines its ecological niche and the crucial role it plays in the ecosystem.
Honeybees are vital for numerous ecosystems and directly impact food production, through the pollination of an estimated 130 different varieties of crops in the United States, including fruits, nuts, and vegetables. The service provided by pollinators like honeybees is instrumental for our own food supply and has significant economic value.
What is the spinal cord made up of?
Answer:bone
Explanations brain
How can resource availability affect interactions between organisms?
QUICK
a lack of resources cause organisms to fight for the resources and some organisms use said resources to obtain what they need to survive such as how predators act around a water hole.
What is the really scientific word for rain sleet snow hail
ANS: The scientific term of rain sleet, snow and hail is precipitation.
why aren’t all organisms made of just one cell?
The information regarding the organism can't be made of one cell should be explained below.
Reason for why all organisms can't be made of just one cell:In terms of biology, the smallest unit that can live on its own is known as a cell. In the case when all organisms should be made of one cell i.e. unicellular so there wouldn’t be a variety of living things also it can't survive. Humans beings, plants, animals, wouldn’t be existed. Due to these reasons, it can't be made of one cell.
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which organism transfer the most energy within the food web
Explanation:
At the bottom of a food chain is always the primary producer. In terrestrial ecosystems most primary producers are plants, and in marine ecosystems, most primary producers are phytoplankton. Both produce most the nutrients and energy needed to support the rest of the food chain in their respective ecosystems.
Final answer:
Producers transfer the most energy within a food web, as they are the source of energy converted from sunlight during photosynthesis. Energy transfer is only about 10% efficient between trophic levels, decreasing at higher levels. Warm-blooded animals use more energy compared to cold-blooded ones, affecting the energy transfer.
Explanation:
Within a food web, the organisms that transfer the most energy are typically those at the producer level, which mainly consist of photosynthetic organisms such as plants and algae. These producers harness energy from the sun and convert it into chemical energy through the process of photosynthesis, forming the foundation of the food web. Energy transfer then occurs when consumers, such as herbivores, eat the producers.
The efficiency with which energy is transferred between trophic levels is an important aspect to consider. Only about 10% of the energy at one level is typically transferred to the next level, as organisms use the majority of consumed energy for their own metabolic processes, growth, and reproduction. This concept is represented in ecological pyramids of energy, which illustrate that the amount of energy diminishes as it moves up the trophic levels from producers to primary consumers (herbivores), to secondary consumers (carnivores that eat herbivores), and so on.
It is also crucial to understand the difference in energy transfer within warm-blooded (endothermic) and cold-blooded (ectothermic) animals. Warm-blooded animals require more energy to maintain their body temperature and therefore must consume more food, which impacts the energy they transfer within the food web compared to cold-blooded animals, which are more energy efficient.
Human body cells each have 46 chromosomes in the nuclei. meiosis is necessary in order to ensure that each gamete produced in the human body has
A)12 chromosomes
B)23 chromosomes
C) 46 chromosomes
D) 92 chromosomes
Answer:
b
Explanation:
46 ÷ 2 = 23
there are 23 chromosomes in each cell
Human body cells each have 46 chromosomes in the nuclei. meiosis is necessary in order to ensure that each gamete produced in the human body has - B)23 chromosomes
Meiosisit produces four haploid cells from one diploid cell.germ cells undergo meiosis.Meiosis is very important because it produces gametes that are required for se-xual reproduction.Human germ cells have 46 chromosomes (2n = 46) meiosis to produce four haploid daughter cells (gametes) as it is a reduction divisionThus, Human body cells each have 46 chromosomes in the nuclei. meiosis is necessary in order to ensure that each gamete produced in the human body has - B)23 chromosomes
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Does the structure of the Rock change as it transforms into a
Metamorphic Rock
Answer:
Yes
Explanation:
The new conditions cause the structure of the rock to change and new minerals to grow in place of the original minerals. The rock becomes a metamorphic rock.
Magnetic fields store energy.
A. True
B. False
Answer:true
Explanation:because the energy stored is magnetic energy
What does correlation tell us?
a. The order in which variables occur
b. What causes change in a variable
c. Which variables influence other variables
d. The strength of relationship between variables
which resource is renewable
Answer:
Pinto beans
Explanation: because you can grow them again and again.
Which of these human behaviors has the greatest potential to harm the environment
A. The use of technology to speed harvesting of resources is the human behavior with the greatest potential to harm the environment. This is because it leads to overharvesting, where resources are extracted faster than they can replenish. Examples include overfishing and deforestation due to efficient, mechanized methods.
The behavior with the greatest potential to harm the environment is A. Use of technology to speed harvesting of resources. This is primarily due to the concept of overharvesting, where advanced technology allows for more efficient and extensive extraction of natural resources, often at unsustainable rates. Overharvesting depletes natural resources faster than they can replenish, leading to the decline or extinction of species and the degradation of ecosystems.
For example, advanced fishing technologies can lead to overfishing, depleting fish populations quicker than they can naturally recover. Similarly, mechanized logging can lead to rapid deforestation, with significant impacts on biodiversity and climate.
The complete question is : Which of these human behaviors has the greatest potential to harm the environment? A. Use of technology to speed harvesting of resources B. Focus on steady harvesting of abundant resources C. Efforts to harvest easily replaced resources D. Use of technology to obtain difficult-to-harvest resources
Which statements describe the Sun? Check all that apply.
It is the center of the solar system.
It is made up mostly of gases, not solids.
It is ancient, at over 10 billion years old.
It is the most massive object in the solar system.
It is composed mostly of oxygen and nitrogen.
The accurate statements about the Sun are that it is the center of the solar system, it is primarily made up of gases, not solids, and it is the most massive object in the solar system. The Sun is composed mostly of hydrogen and helium and is approximately 4.5 billion years old. So the correct options are first, second, and fourth sentences.
Explanation:The student's question asks which statements describe the Sun accurately. Here are the ones that apply:
The Sun is the center of the solar system.It is made up mostly of gases, not solids.It is the most massive object in the solar system.The Sun is indeed the center of the solar system, acting as the central anchor point around which all the planets and other objects orbit. This is supported by Table 7.1 from an inventory that describes the Sun as the most massive member of the solar system. Additionally, the Sun is composed mostly of gases, as it is so hot that no matter can survive as a liquid or a solid, reaffirming that it's made up primarily of gases. The high temperature also ensures many of the atoms are ionized, creating an electrically charged environment known as plasma. Based on current astronomical estimations, the age of the Sun is about 4.5 billion years old, not over 10 billion years. Lastly, the Sun's composition is mainly hydrogen and helium, not oxygen and nitrogen.
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