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Grasshopper

Key definitions

QuestionAnswer
Grasshopper Phylum: Arthropoda Class: Insecta
Tagmata head, thorax, abdomen
Compound eyes vs Ocelli base of antennae// simple eyes
Labrum "upper lip" stiff flap hanging over mouth
Mandibles actual chewing devices
Maxillae brings food to mandibles (has palps- fingerlike extensions)
Labium hindmost structure (has palps- fingerlike extensions)
Thorax three segments (ventral perspective)
Spiracles openings that lead into the tracheal breathing
Tympanum external sound receptor
Ovipositor Digs into ground to lay eggs
Tracheal tubes attached to the inside of each spiracle
Esophagus runs from mouth to a large crop
Crop Continuous with the stomach
Stomach between gastric caeca and malpighian tubules
Gastric Caeca several blind pouches where stomach and crop join
Intestine comes out of stomach and leads into rectum
Rectum short; opens to the outside through anus
Heart Pumps blood flow anteriorly and spills into body cavity and circulates
Open Circulatory System it has one
Eggs female reproductivity/ cigar-shaped enclosed by ovary
Ovary tissues enclose eggs/ leads into oviduct
Testes composed of a collection of slender tubules located above the intestine
Malpighian Tubules located at junction of intestine and stomach// excretory organ// defecation
Created by: nwmoser
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