asked 159k views
5 votes
Changes in the trilobite exoskeleton can be attributed to ____.

a.
changing environments
c.
inter-species mating
b.
competition for survival
d.
both a and b

asked
User Curtisdf
by
8.3k points

2 Answers

5 votes

It Would be D. Both a and b

4 votes
D. Both A and B is the correct answer
answered
User Bhanupriya
by
7.3k points
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