106,118 views
9 votes
9 votes
Signal must travel from one animal to another, and the receiver of the signal should respond in some way. This is called _____.

a.
competition
c.
food and water
b.
courtship
d.
communication

User Mark Stickley
by
3.2k points

2 Answers

3 votes
3 votes

Answer:

I think it will communication

User Merovex
by
2.9k points
2 votes
2 votes
I believe it should be communication
User Jonathan Caryl
by
3.6k points