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The arthropod body plan has a great deal to do with how they are classified. Insects are hexapods with three body sections, a head, consollidated thorax with three leg pairs, and an abdomen. The chelicerates, like arachnids, have two main body sections and eight legs. Myriapods have up to hundreds of sections each with a leg pair. Many crustaceans are decapods, have ten legs, often a fused cephalothorax and articulated abdominal segments like lobsters, crayfish, shrimp, prawns and krill; similar is true of crabs except the short abdomen (tail) is folded up beneath the thorax. Trilobites (now extinct) are named for having three longitudinal lobes.
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What is the arthropod that has 3 main body segments?
head, thorax, and abdomen
Are earthworms insects?
No they are not. They do not have 6 legs. They are part of a phylum called Annelida. In that phylum they are in a class called Clitellata. In contrast, insects are part or the phylum Arthropoda and the class Insecta,
What part of the body does vomit start in the body?
starts in you stomach.
What kind of arthropods live in streams?
Crayfish, freshwater crabs, many insects adapted to aquatic environments like caddisflies, mayflies, mosquitos, etc. live in streams (for at least part of their life cycle.)
Define movement of earthworm?
earthworms move by it body shape when earthworms extension of body rear part Rolex the backer part of body then they move forward
