Answer:
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.
Explanation:
Answer:
D. A nitrogen base has been added to the DNA molecule.
Explanation:
You can see that the sequence for the nitrogen bases are in the exact same order after the exposure, this rules out A. You can count how many bases there are, 7 before and 8 after so it cannot be B. Lastly, given that they are in the same order as were before and that a base has been added, you can see that no bases were replaced (so not C) and that D is your answer.
Answer:
Renewable energy is growing fast in the U.S., but fossil fuels still dominate. Most Americans (77%) say it's more important for the United States to develop alternative energy sources, such as solar and wind power, than to produce more coal, oil and other fossil fuels, according to a recent Pew Research Center survey
It's found in the thylakoid membrane.
<h2>Answer:</h2>
<em>True.</em><em> Yes the sun is the ultimate source of energy.</em>
Explanation:
- We all living organism needs energy for their survival like for walking, talking and breathing.
- Energy is required by every cell for their reproduction, growth and maintenance.
- We all eat food to get that energy. Food is consists of plants and meat of some animal.
- These some animals also get food from plant.
- Plants take sun light to make their food/energy.
- Sun just provide energy in form of food. It dose not get energy from anywhere.
- Hence we all are ultimately depends on sun.
