Multiple Choice
In chordates, the _______ is composed of a core of large cells with turgid, fluid-filled vacuoles, which make it rigid but flexible.
A) vertebral column
B) hollow dorsal nerve cord
C) segmented muscle
D) pharynx
E) notochord
Correct Answer:

Verified
Correct Answer:
Verified
Q137: Which feature of echinoderms allows them to
Q138: A few species of frogs and salamanders
Q139: Which of the following deuterostomes possesses a
Q140: Lampreys have rasping "teeth" made of keratin.Because
Q141: Chondrichthyans and ray-finned fishes both<br>A) have swim
Q143: Which of the following is an example
Q144: You are in a tropical forest and
Q145: Fossil evidence indicates that the earliest deuterostomes
Q146: Which structure is/are not part of the
Q147: In the not-too-distant past, the idea that