The answer is true, they are only single celled!
It'll be much cleaner for the environment.
Answer:
D.)
Explanation:
(I know this, by experience :|)
Becausebof he law of conservation of evergy. Evergy can not be created of eliminated, therefore it has to be transfered in this case the energy is transfered from one organism to the otherand this process continues at an endless cycle
