Sharks have __________ scales.
A)placoid
B)ctenoid
C)cycloid
D)ganoid
E)polyploid

Name: Sharks have __________ scales. A)placoid B)ctenoid C)cycloid D)ganoid E)polyploid
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Question

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Sharks have placoid scales, also known as dermal denticles, which are similar in structure to teeth with a hard outer layer and a softer inner layer. Ctenoid, cycloid, and ganoid scales are found in bony fish, while polyploid is a term used to describe cells with more than two sets of chromosomes.

Sharks Have __________ Scales