Vocabulary for Invertebrates
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| 1623193672 | exoskeleton | a skeleton on the outside of an organism |  | 0 |
| 1623193673 | invertebrates | animals that do not have bones or internal skeletons |  | 1 |
| 1623193674 | Mollusk | soft bodied invertebrate with a thick muscular foot for movement |  | 2 |
| 1623193675 | Echinoderm | breathe through their tube feet |  | 3 |
| 1623193676 | Sponge | simplest invertebrate |  | 4 |
| 1623193677 | Sponge | filter feeder |  | 5 |
| 1623193678 | Arthropod | some have wings |  | 6 |
| 1623193679 | Mollusk | some have shells |  | 7 |
| 1623193680 | Segmented Worms | long tube-like body with many sections |  | 8 |
| 1623193681 | Echinoderm | brittle stars and sea stars |  | 9 |
| 1623193682 | Sponges | water moves through a central cavity |  | 10 |
| 1623193683 | Arthropods | crustaceans (lobsters and crabs) |  | 11 |
| 1623193684 | Mollusk | breathe through gills (in water) or lungs (on land) |  | 12 |
| 1623193685 | Segmented Worms | simplest organism with a true nervous system |  | 13 |
| 1623193686 | Echinoderm | sea cucumber |  | 14 |
| 1623193687 | Arthropods | jointed legs and segmented bodies |  | 15 |
| 1623193688 | Segmented Worms | breathe dissolved oxygen through their skin |  | 16 |
| 1623193689 | Arthropod | have exoskeletons |  | 17 |
| 1623193690 | Echinoderm | a body that extends (radiates) out from the middle |  | 18 |
| 1623193691 | Segmented Worms | Earthworms |  | 19 |
| 1623193692 | Sponges | specialized cells for getting oxygen from the water |  | 20 |
| 1623193693 | Segmented Worms | Leeches |  | 21 |
| 1623193694 | Mollusks | slugs and snails |  | 22 |
| 1623193695 | Sponges | has lots of pores |  | 23 |
| 1623193696 | Pores | Holes or openings |  | 24 |
| 1623193697 | Arthropod | get oxygen through air tubes (out of water) or gills (in water) |  | 25 |
| 1623193698 | Mollusks | clams, squids, and octopi |  | 26 |
| 1623193699 | Arthropods | insects, and arachnids (spiders and ticks) |  | 27 |
| 1623193700 | Cnideria | Corals and jellyfish- (nettle) have a hollow body with one opening (mouth-anus; have a radical symmetry (body organized in a circular pattern); mouth-anus is surrounded by tentacles that are equipped with stinging cells (cnidoblasts); have a simple nerve net |  | 28 |
| 1623193701 | Coral | A structure of calcite skeletons built up by coral animals in warm, shallow ocean water. |  | 29 |
