Hello! I got the answer! So if you look at the word homo and hetero. Homo means the same and hetero means different. So homology is the study of to show the simliarity between organisms. And heterology is the study of to show difference between organisms. This is my first time answering! Anyways have a good day/night!!
ANSWER:I think the answer is number 3
Answer:
2nd one is the most realistic of what occurs in ecosyystems
