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6th Ch 7 Sec 3 & 4
Arthropods & Echinoderms
| Question | Answer |
|---|---|
| Echinoderms | Have arms that extend from the middle body outwards and tube feet that take in oxygen from the water and spines |
| Examples of echinoderms | sea stars, brittle stars, sea cucumbers and sea urchins |
| Arthropods | have jointed legs, exoskeletons, and segmented bodies |
| Appendages | jointed structures such as wings, legs, or antennae |
| exoskeleton | thick, hard, outer covering that protects and supports arthropod bodies |
| molting | a process of shedding and replacing an arthropod's exoskeleton |
| spiracle | openings in the abdomen and thorax used for gas exchange |
| metamorphosis | process insects use to change their body form to become adults |
| ___ are the largest group of animals. | Arthropods |
| Insects | have 3 body regions, 3 pairs of legs, and usually 1 or 2 pairs of wings |
| incomplete metamorphosis | egg, nymph, adult |
| complete metamorphosis | egg, larva, pupa, adult |
| Arachnids | have 2 body regions, 4 pairs of leggs, and no antennae |
| Spiders use ___ ___ for gas exchange. | book lungs |
| ___ and ___ digest food outside of their body. | spiders and echinoderms |
| Crustaceans | possess 1 or 2 pairs of antennae, 5 pairs of legs, 5 pairs of swimmeretes, and gills for gas exchange. |
| ___ and ___ can regenerate appendages that are lost. | crustaceans and echinoderms |
| centipedes | possess 1 pair of legs per segment and venomous claws used for hunting prey |
| millipedes | possess 2 pair of legs per segment and feed on plants and decaying material. |
| ___ means jointed foot. | Arthropod |
| ___ means spiny skinned. | Echinoderm |
| Echinoderms | have an endoskeleton, is radially symmetrical, possesses body parts in multiples of 5, and a water vascular system. |
| Echinoderms use ___ ___ to move and capture prey. | tube feet |
Created by:
Ms. Phillips
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