MCAS Biology Practice

Category - Biology

Frogs, lizards, and birds all have a similar arrangement of bones in their limbs. Which of the following does this similarity most likely indicate about these animals?
  1. They move in the same way.
  2. They have a common ancestry.
  3. They evolved at the same time.
  4. They are comparable in size as adults.
Explanation
Answer: B - They have a common ancestry.
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