QuestionJune 12, 2025

The streamlined shapes of dolphins and sharks evolved Independently. The body plan of these 2 animals are Homologous Vestigial Analogous A product of convergent evolution Both Cand D are correct

The streamlined shapes of dolphins and sharks evolved Independently. The body plan of these 2 animals are Homologous Vestigial Analogous A product of convergent evolution Both Cand D are correct
The streamlined shapes of dolphins and sharks evolved Independently. The body plan of these 2
animals are
Homologous
Vestigial
Analogous
A product of convergent evolution
Both Cand D are correct

Solution
3.2(158 votes)

Answer

Both C and D are correct Explanation 1. Understanding the Definitions Homologous structures are those that have a common evolutionary origin but may serve different functions. Vestigial structures are remnants of organs or structures that had a function in an early ancestor. Analogous structures are those that serve similar functions but do not have a common evolutionary origin. Convergent evolution refers to the process where organisms independently evolve similar traits as a result of having to adapt to similar environments or ecological niches. 2. Analyzing Dolphin and Shark Body Plans Dolphins and sharks have streamlined body shapes that allow them to move efficiently through water. These shapes evolved independently in these two species, which belong to different classes (mammals and fish, respectively). This similarity is due to analogous structures resulting from convergent evolution. 3. Identifying Correct Options Since the streamlined body plans of dolphins and sharks are analogous structures and a product of convergent evolution, both options C and D are correct.

Explanation

1. Understanding the Definitions<br /> Homologous structures are those that have a common evolutionary origin but may serve different functions. Vestigial structures are remnants of organs or structures that had a function in an early ancestor. Analogous structures are those that serve similar functions but do not have a common evolutionary origin. Convergent evolution refers to the process where organisms independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.<br /><br />2. Analyzing Dolphin and Shark Body Plans<br /> Dolphins and sharks have streamlined body shapes that allow them to move efficiently through water. These shapes evolved independently in these two species, which belong to different classes (mammals and fish, respectively). This similarity is due to analogous structures resulting from convergent evolution.<br /><br />3. Identifying Correct Options<br /> Since the streamlined body plans of dolphins and sharks are analogous structures and a product of convergent evolution, both options C and D are correct.
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