| Term | Definition |
|---|
| circulatory system | the organ system that moves blood through the body |
| respiratory system | the organ system that brings oxygen to body cells and removes waste gas |
| digestive system | the organ system that breaks down food for fuel |
| nervous system | the organ system that controls all other body systems |
| skeletal system | the organ system made up of bones |
| muscular system | The organ system made up of muscles that move bones |
| metamorphosis | a process of changes in form during an animal's development |
| life cycle | the stages of growth and change of an organism's life |
| life span | how long an organism can be expected to live |
| reproduction | the making of offspring |
| heredity | the passing of traits from parent to offspring |
| camouflauge | an adaptation by which an animal can hide by blending in with its surroundings |
| adaptation | a special trait that helps an organism survive |
| mimicry | when one organism imitates the traits of another |
| inherited behavior | a behavior that is inborn, not learned |
| instinct | a pattern of behavior that requires no thinking because it is programmed into an animal's brain |
| learned behavior | behavior that is not inborn |
Combine with other sets
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