Answer: c
Explanation: all cell membranes need to maintain function
It gives structure:) and I plz get Brainly:):(
two molecules or moieties combine to form one single molecule, together with the loss of a small molecule. When this small molecule is water, it is known as a dehydration reaction; other possible small molecules lost are hydrogen chloride, methanol, or acetic acid.
4 is B. It wasn't in the genes to get short wings.
5 is C. It should be natural selection but adaptation is another way to say ns.
The answer is A) they provide a source of energy.