You are presented with the quiz "fierce fighting for nest sites may cause animals to fight towards who?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "competition may cause animals to fight towards members of their own species" and "competition for nest sites can be fierce and fighting is common". So, what's the best answer to the question?

Options:
[A]. food and shelter;
[B]. members of their own species;
[C]. other living things;
[D]. Something with a head, thorax, and abdomen;
[E]. large fish;
[F]. creatures with hair;
[G]. Males and females;
[H]. members of orders;
The answer is:
[B].