Q:

What are the answers to the crayfish worksheet?

A:

Quick Answer

The answers to the crayfish worksheet are the anatomy of the common crayfish. Specifically, they are the antennae, the antennules, the chelipeds, the eyes, the cephalothorax, the walking legs, the abdomen, the swimmerets and the telson/uropods. Those are the basic body parts of the common crayfish.

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Full Answer

The crayfish is divided in two ways: the cephalothorax and the abdomen.

The head and main section of the crayfish are known as the cephalothorax. At the very front of the cephalothorax are two sets of antennae. The larger ones are the antennae while the smaller ones are the antennules. Covering each of the crayfish's compound eyes are eyestalks, and between each of those eyes is a pointed tip known as the rostrum. The crayfish's large claws, which are equal in length to the large antennae, are called chelipeds. The two-piece exoskeleton covering the top of the cephalothorax is known as the carapace. Directly underneath the cephalothorax are the crayfish's walking legs.

The layered exoskeleton covering the top of the abdomen is known as the tergum. The tail fan is called the telson. Each individual part of the tail fan is known as a uropod. The small legs located underneath the abdomen are swimmerets.

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