The correct option is A. Resource partitioning refers to a situation in which living organisms live together in the same environment in such a way that it is easy for them to co-exist because they are not using the same resources. In the question given above, it will be easy for the two species of squirrels to co-exist because although both are feeding on acorns, they are not feeding on acorns from the same location; one feed on the ground, the other feed on the trees.
Bacterial cells grow and divide rapidly. In order to do this, bacteria take in nutrients through their Cell Membranes.
usually when there's a mutation the genetic material is either deleted, substituted, and instertion of DNA
<span>Increase Fiber intake as it will reduce gastro intestinal complications. Increasing calories will cause more harm. And traction weights should never be removed as the whole purpose is then lost. As for reduction in fluid intake, there could be chances of patient suffering from constipation.</span>
My guess is that fat-soluble toxins that may occur in freshwater ecosystems would most affect apex species in these ecosystems. This is because fat-soluble toxins are stored in the fat reserves of animals, and then bioaccumulate up the food chain. So in this case, most of the toxin is not secreted, but stored within the food chain, and bioaccumulates, with the concentration becoming higher the further up the food chain.