Use the figure to answer the question.

Which of the following pairs of animals show that animals with widely different adult features can be each other's closest relatives?
A) Annelida and Nematoda
B) Chordata and Echinodermata
C) Cnidemia and Ctenophora
D) Annelida and Rotifera

Question

Use the figure to answer the question.

Which of the following pairs of animals show that animals with widely different adult features can be each other's closest relatives?
A) Annelida and Nematoda 
B) Chordata and Echinodermata 
C) Cnidemia and Ctenophora 
D) Annelida and Rotifera

Quizplus · Accepted Answer

Chordata and Echinodermata are very different in appearance as adults, with Chordata including animals such as humans, birds, and fish, while Echinodermata includes animals like sea stars and sea urchins. Despite this, they are each other's closest relatives based on genetic and developmental similarities, indicating that widely different adult features can be seen in closely related animals.

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