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Casteel Invertebrate
Invertebrates
| Term | Definition |
|---|---|
| Invertebrates do not have a ____________________. | backbone |
| A little over 95% of animals are __________________. | invertebrates |
| The _________________ invertebrates are sponges, corals, and jellyfish. | simplest |
| _____________ have a shell that protects their soft bodies. | Mollusks |
| Squids have an __________________ shell. | internal |
| An _____________________ has no shell. | octopus |
| Examples of ______________ are sea urchins and sea stars. | echinoderms |
| Echinoderms live in _____________ water. | salt |
| Echinoderms have body parts in multiples of ______. | five |
| __________________ have body parts in segments. | Arthropods |
| Arthropods include _______________, spiders, and insects. | crustaceans |
| Crustaceans have a hard __________________ shell. | exterior |
| Crustaceans have five ____________ of jointed limbs. | pairs |
| Spiders have __________ body segments. | two |
| Spiders have _____________ legs. | eight |
| _______________ have antennae, jaws, and three body segments. | Insects |
| There are more insect species on ____________ than all other animal species combined. | Earth |
Created by:
lkcasteel