Answer:Ernst Mayr
Explanation: because i remember
Answer:
D
Explanation:
Not sure but the sentence is super understamdable
Answer:
A
Explanation:
Because as energy is transfer from on trophic level to another by eating energy is loss to both the environment as well as the previous organism which used some of the energy for life process like respiration
population is the number of a given species in a given area at a particular time is population