Crayfish Diagram Gills

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Using gills a crayfish breathes oxygen that is dissolved in water. In the anomura hermit crabs and related animals the fifth pair of pereiopods is often hidden inside the branchial chamber where they are used to clean the gills.

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The cephalothorax is covered by a carapace which protects the internal organs and the gills.

Crayfish diagram gills. Cephalic groove an indentation in the carapace between the head region and the thorax region. The crayfish has 8 jointed walking legs a segmented body 2 pairs of sensory antennae and compound eyes. Anything about the gills or the pharynx.

Learn vocabulary terms and more with flashcards games and other study tools. 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.

2 this is the crayfish s telson the posterior most extension of the last body segment. It in combination with the uropods is used in rapid backwards escape swimming. Lateral view of a crayfish with part of the carapace removed revealing the gills.

Start studying crayfish internal diagram. Phylum arthropoda arthro joint. The crayfish has 8 jointed walking legs a segmented body 2 pairs of sensory antennae and compound eyes.

The swimmerets telson and uropods are attached to the abdomen. Crayfish dissection dorsal view. Lateral view of a water flea.

It has 2 large pincers or claws called chelipeds. Carapace the protective shell exoskeleton of the cephalothorax. Using gills a crayfish breathes oxygen that is dissolved in water.

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. The head and thorax are fused forming the cephalothorax. 1 these are the crayfish s uropods.

Cephalothorax the combined head and thorax this. Lateral view of a generalized malacostracan crustacean. No start studying diagram of a crayfish.

In this lab you will become familiar with the external and internal anatomy of a crustacean arthropod the crayfish cambarus sp. The section of the carapace that projects in front of the eyes is called the rostrum. It has 2 large pincers or claws called chelipeds.

Internal anatomy of a female crayfish. A constant flow of blood to the gills releases carbon dioxide and picks up oxygen. Learn vocabulary terms and more with flashcards games and other study tools.

Abdomen the abdomen is the segmented tail area. Read the definitions below then label the crayfish diagram. 3 this is the crayfish s abdomen.

The head and thorax are fused forming the cephalothorax. Clean up your work area before leaving the lab. If a crayfish loses a leg the leg will regenerate regrow.

Chart showing the appendages of the crayfish and their functions. Use the diagram below to locate and identify the organs of the respiratory system. The crayfish is a crustacean.

Study guide diagrams crayfish diagram labelled. Crayfish anatomy phylum arthropoda. Locate the gills which are featherlike structures found underneath the carapace and attached to the chelipeds and walking legs.

It has two pairs of these appendages.

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