Short Answer
Lampreys have rasping "teeth" made of keratin.Because lampreys do not have _______, these "teeth" are not used for seizing or biting prey.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q135: Which of the following is not a
Q136: One of the features that distinguishes mammals
Q137: Which feature of echinoderms allows them to
Q138: A few species of frogs and salamanders
Q139: Which of the following deuterostomes possesses a
Q141: Chondrichthyans and ray-finned fishes both<br>A) have swim
Q142: In chordates, the _ is composed of
Q143: Which of the following is an example
Q144: You are in a tropical forest and
Q145: Fossil evidence indicates that the earliest deuterostomes