Below are four factors that may be important for an animal to reproduce.Which factor(s) are required by animals that reproduce using internal fertilization?
I.cooperative copulatory behavior
II.compatible reproductive systems
III.a moist environment for spawning
IV.sperm
A) IV only
B) I and II only
C) II,III,and IV only
D) I,II,and IV only
Correct Answer:
Verified
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