Alicia is not sure of the difference between a food web and a food chain. write a paragraph for alicia that explains the difference between a food web and food chain.

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

Produce proteins by following coded instructions that come from the nucleus of the cell.

Why are lipids and proteins free to move laterally in membranes?