Multiple Choice
Why were frogs and sea urchins typically used to study development in classical anatomy and embryology?
1) The eggs developed outside of the mother.
2) The eggs were easily manipulated.
3) The animals were easy to breed.
A) 1
B) 2
C) 3
D) 1 and 2
E) All of these are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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