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Animals Lesson 1 - 4
| Question | Answer |
|---|---|
| Homeostasis | Keeping internal body conditions stable |
| Adaptions | Structures and behaviors that allow animals to perform their functions |
| Vertebrates | an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes. |
| Invertebrates | an animal lacking a backbone |
| Tissue | A group of similar cells that perform specific function |
| Organ | a part of an organism that is made up of many tissues |
| Radial symmetry | symmetry around a central axis, as in a starfish |
| Bilateral symmetry | the property of being divisible into symmetrical halves on either side of a unique plane. |
| Cnidarians | Invertebrates that have stinging cells and take food into the central body cavity |
| Sponges | Asymmetrical invertebrates that have specialized cells but no tissues or organs |
| Mollusks | Invertebrates with soft, unsegmented bodies that are often protected by a hard shell |
| Arthropods | Invertebrates that have hard outer covering, segmented bodies, and pairs of jointed appendages |
| Exoskeleton | The outer covering |
| Echinoderm | Invertebrate that has an internal skeleton and a system of fluid-filled tubes |
| Endoskeleton | And internal skeleton |
Created by:
KodaFabian
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