Evolutionary Theory Predicts That Species Are Related,not Independent

question 18

Multiple Choice

Evolutionary theory predicts that species are related,not independent.Four of the following examples provide support for this prediction.Which one of these examples does not support the claim that species are related?

• A)Plants that live in desert regions typically have thickened leaf surfaces to prevent water loss.
• B)The endostyle of lancelets (invertebrate chordates)and the thyroid gland of vertebrates develop similarly,and both produce iodinated proteins.
• C)All prokaryotes and eukaryotes use DNA to carry their genetic information.
• D)Ground squirrel species found on the north and south sides of the Grand Canyon are similar behaviorally,despite being very different physically.
• E)Before synthetic insulin was available,diabetics used injections of purified pig insulin to manage their disease.