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Animals
Lesson 1 and 2
| Term | Definition |
|---|---|
| Behavioral Adaptations | help survive, can be learned or instinctive. |
| Symbiotic Adaptations | long term relationships between organisms |
| 1. commensalism | one animal benefits it, the other one does not affect it. |
| 2. mutualism | when both animals benefit |
| 3. parasitism | one animal (the parasite) benefits and harms the host. |
| Physical Adaptation | physical features of an organism |
| The vorses | omnivores-eat and plants herbivores- plants carnivores-meat |
| Tissue | a group of similar cells that perform a certain function. |
| organ | a body part that performs a certain function. Made up of tissue |
| organ system | groups of organs working together |
| radial | if imaginary lines can be drawn to divide it into mirror images |
| bilateral | if only one line of symmetry can be drawn to divide it into halves that are mirror images. |
| asymmetrical | no symmetry |
| Radial symmetry organisms | no front or back, live in water, no heads or specialized sense organs. |
| bilateral symmetry organisms | larger and complex, complex organ system, streamlined bodies, have heads in front with specialized sense organs and nervous system. |