The answer is B
Whales and bats have a common ancestry
Bio B Unit 7/8 Alternate Exam
1. Whale fins and bat wings are anatomically similar. Which of the following does this suggest about the animals?
Whales and bats move in the same way
Whales and bats have a common ancestry
Whales and bats have existed for the same amount of time
Whales and bats were once adapted to the same environment
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Which of the following conclusions about mutations in the DNA sequence of a gene is most consistent
with the statement in the box above?
Mutations are always beneficial.
Mutations are always rapidly occurring.
Mutations are the only way new species arise.
Mutations are an important mechanism for the evolution of new species.
with the statement in the box above?
Mutations are always beneficial.
Mutations are always rapidly occurring.
Mutations are the only way new species arise.
Mutations are an important mechanism for the evolution of new species.
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1 answer