Answer:
Photosynthesis
Explanation:
1. Diffusion of CO2 into the leaves by stomata
2. CO2 reacts with water in presence of sunlight
3.Chlorophyll in chloroplast act as a catalyst
4.Photosynthesis takes place
5.Product contains glucose that is C6H12O6 and is converted to starch
Plants get the carbon dioxide they need from the air through their leaves. It moves by diffusion through small holes in the underside of the leaf called stomata. These let carbon dioxide reach the other cells in the leaf, and also let the oxygen produced in photosynthesis leave the leaf easily.
What is photosynthesis?Photosynthesis is a process that occurs in the chloroplast organelle of plant cells. The typical light reaction of photosynthesis takes place inside the thylakoid membrane of the chloroplast. The chief reactants such as water and carbon dioxide participate in the reaction. The water gets oxidized in the reaction to release oxygen as a product. The carbon dioxide gets reduced.
Thus, this is the answer.
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Select all that apply. Which of the following are parts of a desert community? jack rabbit plankton beaver cactus crayfish
Answer:Jack rabbit and cactus
Explanation:
In a desert community, the jack rabbit and cactus are included due to their adaptations to arid conditions, while plankton, beavers, and crayfish are not part of this ecosystem.
Explanation:The parts of a desert community that apply are the jack rabbit and the cactus. Jack rabbits are mammals adapted to living in desert regions, and they are known for their large ears that help with thermoregulation. Cacti are plants well-adapted to the desert environment, with features to minimize water loss, such as thorns instead of leaves and thick stems to store water. Plankton, beavers, and crayfish are not typically found in desert ecosystems as they require more aquatic habitats.
What do homologous structures, vestigial and fossils provide evidence of
Answer:
Evolution
Explanation:
Answer:
provide evidence of evolution.
which arrow represents the change of state described
above?
The diagram shows changes of state between solid, liquid,
and gas. The atoms of a substance gain energy during a
change of state. Before the change, the atoms are close
together and cannot slide past one another. After the
change, the substance can fill its container.
A•L
B•м
C•Ν
D•O
gas
solid
liquid
Answer:
gas
Explanation:
Question 11(Multiple Choice Worth 2 points)
(01.01 LC)
What is the most important reason to publish results as part of the scientific process?
It helps the public learn about science.
It allows other scientists to check findings.
It gives the science community recognition.
It helps establish sources of funding.
I believe it’s the 2nd one
Where do plants get the food they need for energy?*
O They absorb it directly from the sun.
O They absorb it directly from the soil.
O They produce it during photosynthesis.
Answer:
They produce it during photosynthesis.
Explanation:
Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.
Short Answer: How can rock layers and fossils that may be found in completely different locations still be used to make an accurate timeline for geologists?
Answer:
The fossils present in a rock exposure or in a core hole can be used to determine the ages of rocks very precisely. Scientists must study the fossils from a variety of environments to build a complete picture of the animals and plants that were living at a particular time in the past.
Explanation:
Read the short passage. The statements below describe process of changes that occurred within a region of Yellowstone National Park. Number the events in the order in which they occurred. 1) Grasses, ferns, and pine needle seedlings in habited area 2) Annual wildflowers grew from the bare soil 3) A fire burned hundreds of acres of land 4) A climax community of lodge pole pines develops 5) Bare soil covered the area *
A) 5, 4, 3, 2, 1
B) 4, 3, 5, 1, 2
C) 3, 1, 5, 2, 4
D) 3, 5, 2, 1, 4
How do humans affect biomass
Pls help me I can’t find anything
Answer:It includes the human-initiated burning of vegetation for land clearing and land-use change as well as natural, lightning-induced fires. Scientists estimate that humans are responsible for about 90% of biomass burning with only a small percentage of natural fires contributing to the total amount of vegetation burned.
Explanation:
i just copied and pasted it off the internet sooo.... yeah
How are hormones levels regulated?
A.By nerve impulses
B. By a feedback loop
C.By sexual reproduction
D.by involuntary
I am the first consumer above the producer level. I am a
!00 pointzzz
Help me nd yeahhh!! (see attachment)
Answer:
the answer is A
A force is described by its mass and direction
Which of the following is a possible cost of using renewable resources?
Answer:
Enviromental dammage
Explanation:
Answer:
All of the above
Explanation:
A cell has the following features; a nucleus, mitochondria, ribosomes, a cell wall made of chiton and a cell membrane.
What type of cell is described?
A) animal
B) bacteria
C) fungi
D) plant
A cell which has features like nucleus, mitochondria, ribosomes, a cell wall made of chiton and a cell membrane is animal.
What is nucleus?It contains the genetic material DNA located in the nucleolus region.
It also regulates the growth and divisions of cell.
What is Mitochondria?They are the powerhouse of a cell.
What is Ribosomes?They are the sites of protein synthesis.
What is Cell Membrane?
It controls the entry and exit of the nutrients from the Cell.
Explanation for correct option:
Animal - Animal cell contains Nucleus, mitochondria, ribosomes and a cell wall and a cell membrane but do not contains Chloroplasts which makes them different plant cell.
Explanation for other options:
Bacterial cell wall contains water, enzymes, nutrients, ribosomes, chromosomes and plasmids.
Fungi cell contains chitin, glucans, and glycoproteins.
Plant cell contains cellulose microfibrils, hemicellulose, pectin, lignin, and soluble protein.
Hence, option A is correct.
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What is the arrow labeled X pointing to? (see attached screenshot)
adenine
thymine
cytosine
guanine
Answer:
thymine
Explanation:
Adenine always bonds with Thymine in DNA and Cytosine always bonds with Guanine
Answer:B is the Answer
Explanation:
The grizzly bear belongs to the genus Ursus and species Arctos. How would you write its scientific name?
All DNA from every living organism contains the same ____ just in a different order."
nitrogen bases
phosphate bases
bases
nitrogen acids
What do planeria feed on while they are regenerating
Answer:
living or dead small animals
Explanation:
Planaria eat living or dead small animals that they suck up with their muscular mouths.
Please help me with bio
Answer:
all of the multiple choice are correct.
the answer to the second graph one is C the last one, or Monarch butterfly population is decreasing.
The one about Frank and maple trees is A, or carrying capacity. The second one about Frank and the maple trees is also A, or population distribution.
Explanation:
Which is a true statement about all organisms?
A) they divide
B) they reproduce
C) they perform photosynthesis
D) they perform cellular respiration
An organism that has adapted to surviving in both salt water and fresh water would be best suited to survive in which aquatic ecosystem ?
A.) the intertidal zone
B.) a river
C.) an estuary
D.) the open ocean
Answer:
Option C, Estuary
Explanation:
An estuary is a geographical entity where the salty water of ocean mixes with fresh water of river. The resulting water is known as brackish water. The brackish water is not as salty as that of ocean and also the salinity level of water rise and fall regularly.
Thus, an organism that is able to live in both salty water and fresh water environment can survive in an estuary.
Hence, option C is correct
Answer:
C. Estuary
Explanation:
1. A cell was poisoned by a substance that destroyed all of its mitochondria. Circle all of the cell
transport processes listed that would still be able to continue.
a. Osmosis
d. Exocytosis
b. Diffusion
e. Pinocytosis
c. Facilitated diffusion
f. Phagocytosis
Answer:
a. Osmosis
b. Diffusion
c. Facilitated diffusion
Explanation:
Mitochondria is the power house of the cell which is responsible for the production of energy from glucose molecules. If they are destroyed, no energy is available for transport of material in or outside of the cell. Only osmosis, diffusion and facilitated diffusion occurs because they are the types of passive transport in which molecules moves from a region of higher concentration to the region lower concentration without the use of energy.
Despite the absence of mitochondria, a cell can still conduct osmosis, diffusion, facilitated diffusion, exocytosis, pinocytosis, and phagocytosis. These processes don't rely on mitochondria for energy as they either use passive transport or acquire energy from the cytosol.
Explanation:In the absence of mitochondria, a cell would still be able to conduct the following transport processes: osmosis, diffusion, facilitated diffusion, exocytosis, pinocytosis, and phagocytosis.
Osmosis is the movement of water across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration. Diffusion is the process where particles spread out from an area of high concentration to an area of low concentration. Facilitated diffusion is a type of passive transport that allows substances to cross cell membranes with the help of carrier proteins.
Exocytosis is the process by which a cell transports secretory products through the cytoplasm to the plasma membrane. Pinocytosis is a type of endocytosis wherein the cell takes in extracellular fluids.
Phagocytosis is a process wherein a cell engulfs a solid particle to form an internal compartment known as a phagosome. These processes do not rely on mitochondria for energy as they use passive transport mechanisms, or in the case of endocytosis, energy from the cytosol.
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The graph shows the frequency of two alleles for a genetic trait in a population.
Which process most likely resulted in the effect observed in generation 5?
A. random mating
B. increase in birth rates
C. natural selection
D. population isolation
The graph shows the frequency of two alleles for a genetic trait in a population, and the process that most likely resulted in the effect observed in generation 5 is natural selection, which is in option C.
What is natural selection?Natural selection is a process in which nature selects organisms. For example, in a population of 500 organisms, only 100 are the fittest as per that climate, and they have the proper immunity and reproduce to carry on their genes to the next generation. These organisms are selected by natural selection, and the rest are eliminated.
Hence, the graph shows the frequency of two alleles for a genetic trait in a population, and the process that most likely resulted in the effect observed in generation 5 is natural selection, which is in option C.
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How do cricket make their chirping sound
Answer:
The bottom of a cricket wing is covered with teeth-like ridges that make it rough. The upper surface of the wing is like a scraper. When crickets rub the upper and lower parts of their wings together, they create a chirping sound called “stridulating." ... The warmer it is, the more crickets will sing.
Explanation:
Crickets chirp by rubbing their wings together, a process called stridulation, to attract mates and establish territory.
Stridulation involves rubbing parts of their body together, specifically their wings, to produce sound. Male crickets engage in stridulation to attract a mate, establish territory, and possibly repel other males. The sound is amplified by their resonating body structures, allowing the chirp to carry over significant distances.
how many letters does a ribosome read while producing proteins
Answer:
The genetic code is read 3 letters at a time.
What is a main reason your body uses enzymes in chemical reactions?
Pls help this is just super confusing. Can you dumb it down?
Answer:
A. Aorta
B. Pulmonary Artery
C. Pulmonary vein
D. Left atrium
E. Mitral valve
F. Lift ventricle
G. Right ventricle
H. Tricuspid valve
I. Inferior vena cava
J. Right atrium
K. Pulmonic valve
L. Superior vena cava
Explanation:
Aorta is big artery which takes blood from the heart and gives it to all body. Pulmonary artery carries deoxygenated blood from the heart to the lungs while pulmonary vein carries oxygenated blood from the lungs to the heart. Mitral and tricuspid valves prevent the backward flow of blood in the heart. Superior and inferior vena cava is a big vein which collects deoxygenated blood from all body.
which offspring could not arise from the parent cells with the chromosomes shown below? Assume crossovers can occur between chromosome pairs in the parent cells.
The answer is Offspring B (which is the fully black bug on the left.)
I just took this assessment.
The exchange of genes during the cell cycle is called crossing over. Crossing over helps to make the new character in the future generation.
Crossing over is helpful because of the following:-
New character New variation.Crossing over occurs at the diplotene stage of prophase in meiosis - I. The position of the crossing over is random so that they can mix the variety of genes and form a new character.
According to the question and the concept of crossing over, the offspring shows the character from both the parents.
Hence the correct option is B it does not have any character from the parents.
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Your sister is very good at playing the piano. What is her piano playing
ability an example of?
A.a learned behavior
B.an inherited trait
C.a dominant gene
D.a recessive gene
Answer:
A
Explanation:
Individuals are not born immediately able to play the piano. Therefore, piano playing is not an inherited trait. You get good because you practice.
This is in contrast to physical traits like hair color, ability to role your tongue, or genetic diseases. These are not learned at all, instead, they appear regardless of lifestyle.
However, some genes are thought to predispose you to musical talent. Two people could be born with exactly the same genes that make them good at piano. If one practiced for 8 hours every day, then they will be very good. If the other one never practiced, they wont be able to play.
In contrast, one person could have genes that make them great at piano, and one could have genes that make them terrible. Even if they practice the exact same amount, the one with the better-suited genes will likely progress more quickly!
However, the skill is still a learned trait.
Forces- content practice : please help
Answer:
On Tuesday night, CNN's Don Lemon asked former Georgia state senator (and potential vice presidential pick) Stacey Abrams about allegations made by a former Senate staffer that Joe Biden had sexually assaulted her in the early 1990s. Here's how she responded (bolding is mine):
"I believe that women deserve to be heard and I believe they need to be listened to, but I also believe that those allegations have to be investigated by credible sources. ... The New York Times did a deep investigation and they found that the accusation was not credible. I believe Joe Biden."
That bolded section about The New York Times finding that Reade's accusation was "not credible" comes directly from talking points being distributed by Biden's campaign, talking points first reported on by BuzzFeed's Ruby Cramer. Here's the specific language from Biden's talking points:
"Biden believes that all women have the right to be heard and to have their claims thoroughly review. In this case, a thorough review by the New York Times has led to the truth: this incident did not happen."
Explanation:
Please help!! It’s for a hw assignment