b is the right answer because we breathe oxygen and when we breathe out we let out carbon dioxide
Answer:
here it is , plz mark me as brainliest
Explanation:
The relative importance of food supply and predation as determinants of animal population density is a topic of enduring debate among ecologists. ... In the 148 experiments recorded, food supplementation had an overall positive and significant effect, increasing population densities by 1·5‐fold.
Can you explain the question a bit more too me? Idk I don’t understand it:)
Answer:
Ants and aphids have a special relationship, mutualistic in nature
Explanation:
hey each benefit from one another; ants protect aphids and aphids feed ants. Aphids feed their farmer ants a sweet honeydew liquid in exchange for protection from predators.
