QABiology › Which of the following show all four chordate characteristics?
Q

Which of the following show all four chordate characteristics?

1. Larval and adult urochordates

2. Larval cephalochordates and adult urochordates

3. Larval urochordates and adult cephalochordates

A

Answer: 3. Larval urochordates and adult cephalochordates

Urochordata and Cephalochordata are the two subphylums of Chordata. Urochordata are living organisms that have a notochord present in the posterior part of their body that forms a tail at their larval stage. Cephalochordata are living organisms that have a notochord extending to the exterior parts of their body. This often occurs in the post-larval stages of their lives.

Therefore, the third option, “Larval urochordates and adult cephalochordates” best Answers the question above.

3 years ago
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