First slide

Classification of Animals

Question

Identify the vertebrate group of animals characterized by the absence of jaws, scales and paired fins.

Easy

A

Amphibia
B

Chondrichthyes
C

Osteichthyes
D

Cyclostomata

Solution

In Cyclostomata jaws, scales and paired fins are absent. In Chondrichthyes and Osteichthyes jaws and paired fins are present. In Amphibians jaws are present. In most Amphibians scales are absent. In all Amphibians paired fins are absent.

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