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living things/cycles
vocab for unit 2 living things characteristics, needs, and cycles that support
| Term | Definition |
|---|---|
| Biosphere | life supporting zone; includes land, water, and air |
| Atmosphere | air, gases on Earth |
| Cell | basic unit of living things |
| Metabolism | energy getting and using balance |
| Stimulus | change in environment (observe with 5 senses), comes first |
| Response | reaction to a stimulus, comes second |
| Reproduction | make more of own kind, so that a species doesn't go extinct |
| Adaptation | built in structure or behavior that helps live |
| Homeostatis | environment changes, but organism's body stays the same |
| Endothermic | body temperature stays same, warm blooded |
| Ectothermic | body temperature changes, cold blooded |
| Competion | fight/struggle with others to meet needs |
| Nitrogen | gas found in atmosphere that must be changed, or fixed, by bacteria to be useable to living things |
| Oxygen | gas animals use to go through respiration to make energy |
| Carbon Dioxide | gas plants use to go through photosynthesis to make energy |