The fossil record used to support evolution is not complete. In fact, large gaps exist in the fossil record. As a result, the evolution of a species cannot be completely traced in many cases. What is one reason why the fossil record is incomplete?
A) Fossils can form only from the remains of complex organisms.
B) Many species lived in environments that did not favor fossil formation.
C) The fossil record only contains the fossils of land organisms.
D) Fossils can survive only for 10,000 years.
Ans: B) Many species lived in environments that did not favor fossil formation.
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XY individuals with total androgen insensitivity syndrome ____
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The zona pellucida is
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