Arthropods & Echinoderms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Echinoderms | Have arms that extend from the middle body outwards and tube feet that take in oxygen from the water and spines
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Examples of echinoderms | sea stars, brittle stars, sea cucumbers and sea urchins
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Arthropods | have jointed legs, exoskeletons, and segmented bodies
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Appendages | jointed structures such as wings, legs, or antennae
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exoskeleton | thick, hard, outer covering that protects and supports arthropod bodies
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molting | a process of shedding and replacing an arthropod's exoskeleton
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spiracle | openings in the abdomen and thorax used for gas exchange
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metamorphosis | process insects use to change their body form to become adults
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___ are the largest group of animals. | Arthropods
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Insects | have 3 body regions, 3 pairs of legs, and usually 1 or 2 pairs of wings
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incomplete metamorphosis | egg, nymph, adult
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complete metamorphosis | egg, larva, pupa, adult
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Arachnids | have 2 body regions, 4 pairs of leggs, and no antennae
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Spiders use ___ ___ for gas exchange. | book lungs
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___ and ___ digest food outside of their body. | spiders and echinoderms
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Crustaceans | possess 1 or 2 pairs of antennae, 5 pairs of legs, 5 pairs of swimmeretes, and gills for gas exchange.
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___ and ___ can regenerate appendages that are lost. | crustaceans and echinoderms
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centipedes | possess 1 pair of legs per segment and venomous claws used for hunting prey
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millipedes | possess 2 pair of legs per segment and feed on plants and decaying material.
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___ means jointed foot. | Arthropod
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___ means spiny skinned. | Echinoderm
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Echinoderms | have an endoskeleton, is radially symmetrical, possesses body parts in multiples of 5, and a water vascular system.
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Echinoderms use ___ ___ to move and capture prey. | tube feet
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Created by:
Ms. Phillips
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