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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

2 Answers

3 votes

Answer:

I think it will communication

User Merovex
by
3.0k points
2 votes
I believe it should be communication
User Jonathan Caryl
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3.7k points