The adoption of very similar streamlined body shapes by both sharks and dolphins provides evidence for
A) cross-breeding
B) convergent evolution
C) genetic mutations
D) life originating in the oceans

Question

Quizplus · Accepted Answer

The adoption of very similar streamlined body shapes by both sharks and dolphins provides evidence for convergent evolution. These two animals have evolved in different environments, but have independently developed similar body shapes that increase their efficiency in swimming through water. This is an example of convergent evolution, where unrelated species develop similar traits in response to similar environmental pressures.

The Adoption of Very Similar Streamlined Body Shapes by Both