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Animals
Question | Answer |
---|---|
Homeostasis | Keeping internal body conditions stable |
Adaptations | Structures and behaviors that allow animals to perform functions |
Vertebrate | Animals with backbones |
Invertabrates | Animals without a backbone |
Tissue | Group of similar cells |
Organ | Made up of different tissues |
Bilateral Symmetry | One line divided into two sides |
Radial Symmetry | Only one line divided |
Cnidarian | Invertabrates that have stinging cells |
Mollusk | Invertebrates with soft unsegmented bodies protected by hard shell |
Arthropod | Invertabrates that have hard outer coverings |
Exoskeleton | Outer skeleton |
Echinoderm | Invertebrate that has an internal skeleton and system of fluid-filled tubes |
Endoskeleton | Internal skeleton |
Chordates | Fish, amphibians, reptiles, birds and mammals |
Notochord | Flexible rod that supports a chordates back |
Vertebra | Small bones |
Ecotherm | Little internal body heat |
Endotherm | Animal that controls the internal heat it produces |