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30 Cards in this Set
- Front
- Back
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invertebrates
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animals without backbones
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vertebrates
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animals with backbones
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nematocysts
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tiny stinging organnelles used by some animals to capture food
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animals that use nematocysts are
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jellyfish, sea anemones, coral
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mollusks
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animals that have soft bodies and mantles (shell)
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cephalopods means
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head-footed; speedy
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echinoderms
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have radial symmetry - equal parts radiate from the center
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Parasites
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live on or in other living organisms called hosts
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free-living worm
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independent of other organisms
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roundworms
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smooth and round; parasites
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segmented worms
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annelids - earth worm
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hair like structures on segmented worms
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setae
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arthropods
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jointed foot; most numerous animals on the earth; exoskeleton - hard covering
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crustaceans
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at least 5 pairs of legs and 2 antennae
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arachnids
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spiders scorpions ticks mites; have 8 legs and 2 body segments
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centipedes and millipedes
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arthropods; many body segments
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insects
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3 body segments - head, thorax, abdomen
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metamorphosis -
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process in which insect become an adult
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in complete metamorphosis
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3 stages; dragonflies, grasshoppers
egg, nymph, adult |
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complete metamorphosis
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egg, larva(caterpillar), pupa (chrysalis), adult
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segmented worms
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annelids - earth worm
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hair like structures on segmented worms
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setae
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arthropods
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jointed foot; most numerous animals on the earth; exoskeleton - hard covering
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crustaceans
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at least 5 pairs of legs and 2 antennae
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arachnids
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spiders scorpions ticks mites; have 8 legs and 2 body segments
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centipedes and millipedes
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arthropods; many body segments
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insects
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3 body segments - head, thorax, abdomen
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metamorphosis -
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process in which insect become an adult
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in complete metamorphosis
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3 stages; dragonflies, grasshoppers
egg, nymph, adult |
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complete metamorphosis
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egg, larva(caterpillar), pupa (chrysalis), adult
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