Asked by Rebecca Phelan on Jul 17, 2024
Verified
Which of the following is a characteristic unique to chordates?
A) a dorsal notochord
B) a ventral hollow nerve cord
C) pharyngeal pouches
D) a postanal tail
E) All of the answer choices are unique characteristics of chordates.
Dorsal Notochord
A flexible rod-shaped structure in the embryo of all chordates, including humans, that provides skeletal support and defines the primitive axis of the embryo.
Pharyngeal Pouches
Embryonic features that form structures of the face and neck in vertebrates.
- Acquire knowledge of the primary attributes characterizing chordates and vertebrates.
Verified Answer
VN
Victor NavaroJul 20, 2024
Final Answer :
E
Explanation :
All of the answer choices are unique characteristics of chordates. Chordates have a dorsal notochord, a ventral hollow nerve cord, pharyngeal pouches, and a postanal tail. These four characteristics are what define chordates as a phylum.
Learning Objectives
- Acquire knowledge of the primary attributes characterizing chordates and vertebrates.