click below
click below
Normal Size Small Size show me how
Less 1 an 2 Animals
| Term | Definition |
|---|---|
| Homostasis | The condition in which an organisms internal envirnment is kept stable in spite of changes in the external envirnment. |
| adaption | An inherited behavior or physical characteristics that helps an organism survive and reproduce in its envirnment. |
| vertabrate | An animal with a backbone. |
| invertabrate | An animal without a backbone. |
| tissue | A group of similar cells that preform a specific function. |
| organ | A body structure that is composed of different kinds of tissues that work together. |
| radial symmetrey | A body plan in which any number of imaginary lines that all pass through a central point divide the animal into two mirror images. |
| bilateral symmetrey | A body plan in which a single imaginary line divides the body into the left and right sides that are mirror images of each other. |