What is the definition of a species cluster?
A) a group of closely related species with a common ancestor
B) a group of species that developed host races
C) a group of species that exhibit polyploidy
D) a group of totally unrelated species living in a common habitat
Correct Answer:
Verified
Q29: How many mutations need to occur in
Q30: Two host races of apple maggots have
Q31: What is the reason for reinforcement?
A) Postzygotic
Q32: If a flood separated a large population
Q33: What does polyploidy refer to, and where
Q35: When do postzygotic isolating mechanisms occur?
A) when
Q36: What does the fact that eggs have
Q37: Two species of flowering plants live together
Q38: What is a hybrid zone?
A) an area
Q39: If a hybrid organism has a shorter
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