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Cricket

Gryllus assimilis

Description:

Crickets, family Gryllidae (also known as "true crickets"), are insects somewhat related to grasshoppers, and more closely related to katydids or bush crickets (family Tettigoniidae) and Weta (families Anostostomatidae and Rhaphidophoridae). They have somewhat flattened bodies and long antennae. There are more than 900 species of crickets.[1] They tend to be nocturnal[2] and are often confused with grasshoppers because they have a similar body structure including jumping hind legs. Crickets are harmless to humans

Habitat:

Crickets, like all other insects, are cold-blooded. They take on the temperature of their surroundings. Many characteristics of cold-blooded animals, like the rate at which crickets chirp, or the speed at which ants walk, follow an equation called the Arrhenius equation. This equation describes the activation energy or threshold energy required to induce a chemical reaction. For instance, crickets, like all other organisms, have many chemical reactions occurring within their bodies. As the temperature rises, it becomes easier to reach a certain activation or threshold energy, and chemical reactions, like those that occur during the muscle contractions used to produce chirping, happen more rapidly. As the temperature falls, the rate of chemical reactions inside the crickets' bodies slow down, causing characteristics, such as chirping, to also slow down.

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Thomas Nelson Community College
Spotted by a stud ent at Thomas Nelson Community College

Newport News, Virginia, USA

Spotted on Sep 29, 2013
Submitted on Oct 1, 2013

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