Because the cells can only use energy in form of ATP.
Its like you can't run a diesel truck on petrol.
Although they are radically symmetrical,echinoderms are more closely related to human than to a jellyfish because they are biltarian.
Answer:
Is a vicariance event
Explanation:
Even both terms are very similar, there is a difference. A dispersal event occurs when an initial specie travels from one place to another and due to the environmental factors and the adaptation that need to develop to survive will change into different species. In the other hand, the vicariance, is a process in which there is a specie and it lives in a wide are, but it fragments into groups mainly by the continental drift, so with the passing of time it turns into different characteristics, as the human race.
Answer:B antvenin as is always specific
Explanation:othe like antigen are for antibodies snake venom is just venom while penicillin is from fung
