The changes in foot structure in a bird population over. Evolution leads to less complex organisms. And also the lock-and-key model.
Answer:
Starch
Explanation:
I'm assuming that we are talking about plants and plants store extra glucose as starch molecules.
I would say the first option
Water is used in many reactions in the body, both enzymatic and chemical. Water within blood and lymphatic system is responsible for the transport of hormones, antidotes oxygen and nutrients.
Metabolism can be described as entirety of chemical reactions which take place within a cell, the result of which is energy for processes which take place in the body.
<span>Mutations generated in a species gene pool important because mutations cause evolution.</span>