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Pd.8 science
ch4 l1
| Term | Definition |
|---|---|
| Homeostasis | The condition in which an organism’s internal environment is kept stable in spite of changes in the external Environment |
| Vertebrate | Animal with a backbone |
| Invertebrate | Animal without a backbone |
| Adaptations | In in Hurley, behavior, or physical characteristics that helps an organism survive in and reproduce in its environment |
| Describe three things that animals have in common | being multicellular, needing to consume food for energy (heterotrophy), and possessing the ability to move |
| Describe the four functions of animals | Nutrition Respiration/Gas Exchange, Movement, and Reproduction, |
| Describe how animals are classified in the three ways these relationships are determined | Animal relationships are determined by survival, reproduction, and social needs |