Crayfish External Anatomy Diagram

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A sharp pointed projection of the carapace from the front of the head. The head and thorax are fused forming the cephalothorax.

Crayfish Internal Anatomy Labeling Ws Anatomy Labels Crayfish

Describe the appearance of the various organs found in a crayfish.

Crayfish external anatomy diagram. Name the organs that make up the systems of the crayfish. Pleopods or the smaller appendages are attached to the segments of the abdomen they are often called swimmerets. If a crayfish loses a leg the leg will regenerate regrow.

As you examine the external anatomy of a crayfish complete the bolded questions in paste the crayfish diagram into your lab notebook and label each part. Basically crayfish internal anatomy includes the following systems. In this lab you will become familiar with the external and internal anatomy of a crustacean arthropod the crayfish cambarus sp.

Put on safety goggles gloves and a lab apron. Small appendages on the underside of the abdomen. The crayfish has 8 jointed walking legs a segmented body 2 pairs of sensory antennae and compound eyes.

Start studying crayfish internal diagram. If a crayfish loses a leg the leg will regenerate regrow. Read the definitions below then label the crayfish diagram.

The front part of the crayfish composed of the head and thorax fused together. It has 2 large pincers or claws called chelipeds. Today i am going to talk about the internal structure of the crayfish.

Abdomen is the main muscle that allows crayfish to swim. The abdomen of crayfish is located behind the cephalothorax and includes 6 abdominal segments pleopods and the tail. The circulatory system the respiratory system the digestive system the nervous system and the reproductive system.

This is the second part of the article on crayfish anatomy the first was about the external structure. Identify the external anatomical features of a typical crustacean. Cephalic groove an indentation in the carapace between the head region and the thorax region.

Describe how the crayfish is able to move and obtain food crayfish dissection label crayfish external diagram printout. It has 2 large pincers or claws called chelipeds. This crustacean has a hard exoskeleton that protects and supports the body.

Learn vocabulary terms and more with flashcards games and other study tools. The head and thorax are fused forming the cephalothorax. The following diagrams include the explained anatomy of a crayfish.

The sixth pair of swimmerets modified into two pairs of broad flat plates that are on the sides of the telson. Carapace the protective shell exoskeleton of the cephalothorax. Procedure part 1 external anatomy of a crayfish.

This collection of printable crayfish diagram shows a range of organs of the crustacean. The crayfish has 8 jointed walking legs a segmented body 2 pairs of sensory antennae and compound eyes. Crayfish anatomy phylum arthropoda.

Abdomen the abdomen is the segmented tail area. Use the diagram below to locate the cephalothorax and the abdomen. Place a crayfish on its side in a dissection tray.

The swimmerets telson and uropods are attached to the abdomen. Phylum arthropoda arthro joint. Poda foot is the most numerous phylum of all living organisms both in number of species and in number of individuals one very conservative estimate is that there are well over one million.

Quick notes about crayfish external anatomy.

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