Please tell me if I did c correct and help on d and e

What role do traits play in affecting an organisms ability to reproduce? finches

Agroup of organisms that changes over time is said to

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum