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16 Cards in this Set
- Front
- Back
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exoskeleton
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Outer skeleton that protects the animal and helps prevent evaporation of water.
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Molting
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A process in which arthropods shed their outgrown exoskeletons.
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Antennae
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An appendage on the head that contains sense organs.
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Major groups of arthropods
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Crustaceans
Arachnids Centipedes Millipedes Insects |
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Crustacean
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Has 2 or 3 body regions and usually has 3 pairs of appendages for chewing. Have 5 or more pairs of legs. Has a pair of legs or modified legs attached to it. Lives in water. |
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Insects
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Have 3 body sections. 6 legs. One pair of antennae. One or two pairs of wings.
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Centipede
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One pair of legs attached to each segment. Some have over 100 segments.
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Millipede
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More than 80 segments. 2 pairs of legs on each segment.
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Camouflage
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Defense against predators.
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Biological controls
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Method of controlling harmful insects.
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Incomplete metamorphosis
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Egg Nymph Adult |
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Complete metamorphosis
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Egg Larva Pupa Adult |
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Compound eyes
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Most insects have 2 of these that are very keen at seeing movement. Also some have simple eyes which help them distinguish light and darkness. |
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Exoskeletons
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These are made of chitin.
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Invertebrate
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Has and external skeleton, segmented bodies, and jointed attachments called appendages.
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Arachnid
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Have 2 body sections. 8 legs and no antennae.
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