A ________ is the first cell that results when an egg is fertilized by a sperm.
A) spermatogonium
B) gastrula
C) zygote
D) blastula
Correct Answer:
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Q11: Isolating mechanisms that prevent reproductive attempts or
Q12: Which of the following examples is best
Q13: _ is when one species splits into
Q14: In which model of evolution are many
Q15: Reproductive isolation
A)means there is no gene flow
Q17: The biological species concept is limited,and may
Q18: _ is said to occur when a
Q19: All of the following statements concerning the
Q20: Which figure depicts a punctuated equilibrium model
Q21: In speciation which of the following is
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