Answer:
but no the answer is spine which can also be called vertebral column so is B
None of the above is correct.
Through these processes, plants obtain the carbon dioxide they need and living<span>organisms obtain the oxygen they need. They are also </span>necessary<span> to the energy exchange that </span>living things<span> need to survive. ... While </span>photosynthesis<span> requires energy and produces food, </span>cellular respiration<span> breaks down food and releases energy.</span>
Answer:
A food chain describes how energy and nutrients move through an ecosystem. At the basic level, there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. In the food chain, energy is transferred from one living organism through another in the form of food.
Explanation: