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Stomach: part of the digestive tract between the esophagus and the intestine.
Get an answer to your question "Name the appendages found on the thorax of the crayfish and tell the function of each ..." in Biology if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. Although serial homologies are not useful in reconstructing the phylogenetic relationships of organisms, they are an important dimension…
The thorax anatomy should be given enough attention as it performs its role and functions in our human body. It has 2 large pincers or claws called chelipeds. The crayfish belongs to the Phylum Arthropoda, which includes organisms that have an exoskeleton, jointed appendages and segmented bodies.
Name the appendages found on the head of a crayfish and tell the function of each? Place crayfish on the working surface, dorsal side up. 2. The chelipeds are the large claws that the crayfish uses for defense and to capture prey. The body is divided into two major sections: the abdomen and the cephalothorax (SEF-uh-loh-THAWR-AKS). Antenna Senses touch and taste in front of the mouth . In the abdomen, the first five segments each have a pair of swimmerets, which create water currents and function in reproduction. Procedure 1. The head and thorax are fused, forming the cephalothorax. Within this kingdom are subgroups, known as phyla. From the stomach, the intestine continues to the end of the abdomen, but may be hidden in the thorax by other organs. Gonad: sex gland of a crayfish. the crayfish usually molts, or sheds its exoskeleton. The crayfish has 8 jointed walking legs, a segmented body, 2 pairs of sensory antennae, and compound eyes. The link depicts a detailed image of the mouth parts. The crayfish's external structure is shown in Figure 36-7. Crayfish have 19 pairs of appendages, all built according to the same basic pattern but serving diverse functions—sensing, chewing, food handling, walking, mating, egg carrying, and swimming. Asked in Crustaceans , Crayfish Heart: blood-pumping organ of the crayfish. Crayfish Appendage Table Appendage Function Location Attach Appendage Here Antennules Senses touch & taste; helps crayfish maintain balance in front of the mouth . The distal portion of a mandible or maxilla which has a sensory function is known as a palp. Extensor muscles: muscle that extends the tail of the crayfish… Crayfish Background Information The consequence of structure is function, from the intracellular level to organisms’ niches in ecosystems. The chest is the part of the body between the abdomen and the head. it is the antenna, antennule, rostrum, and the maxillipeds (feeding appendages).
Remove all of the crayfish’s walking legs by grasping the legs at their base with forceps, bending them sharply side-to-side, and lifting up.
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