11. Which of these claims is most likely true of two species that share a recent common ancestor? A. The two species have different developmental patterns.
B. The two species share DNA sequences.
C. The two species have similar arms and legs.
D. The ancestors of each species looked very different.

B. The two species share DNA sequences.

Explanation:

Although we can use all of these, DNA supports the determination of common acestory the best.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above