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15 Cards in this Set
- Front
- Back
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What is the phylum for insects?
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Arthropoda
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Approximately ____% of all species in the animal kingdom are ____.
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arthropods.
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_____ are invertebrates with external skeletons and jointed appendages.
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Arthropods
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About ___% of all arthropod species are ___________.
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90%
insects |
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Insects belong to the class ____.
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Insecta
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Name the different classes of arthropods:
1 2 3 4 |
1.Insects
2.Arachnids 3.Centipedes 4.Millipedes |
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Characteristics of arthropods:
1. 2. 3. |
1.external skeleton
2.jointed legs 3.segmented bodies |
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The external skeleton is made up of _______, a substance that is similar to cellulose and starch.
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chitin
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What is the function of the exoskeleton?
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To provide protection, strength and support.
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What is the body of the arthropod segmented?
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To provide flexibility.
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An insect has three distince body regions:
1 2 3 |
1.head
2.thorax 3.abdomen |
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Most insects have ___ and ____ eyes.
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simple and compound eyes
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Air enters an insect's body through tiny openings called ____ which lead to _____.
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spiracles
tracheae (breathing tube) |
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All insects have ___ pairs of jointed legs and ____ or more pairs of wings.
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three pairs of jointed legs
1 or more pairs of wings |
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The shedding of the exoskeleton is called ____.
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molting
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