| A | B |
|---|
| dynamic equilibrium | any system with constant change. Components can adjust to change without disturbing the entire system |
| biotic | living things (living components of biosphere) |
| abiotic | non-living components of biosphere |
| community | populations of all species living in a certain habitat |
| population | a group of individuals of the same species living in a certain area at a certain time |
| biodiversity | the number of species in an ecosystem |
| food chain | a sequence linking organisms that feed on each other |
| herbivore | an animal that eats only plants |
| carnivore | an animal that eats only other animals |
| omnivore | an animal that eats both plants and other animals |
| ecosystem | a community and its physical and chemical environment |
| producer | autotroph = makes its own food |
| consumer | heterotroph = cannot make own food so must eat producers or other consumers |
| detritus | waste from plants and animals including their dead remains |
| decomposer | an organism that feeds on detritus |
| habitat | a place or type of environment with conditions that are suitable for organisms or populations to survive |
| biosphere | the narrow zone around earth that supports life |
| ultraviolet radiation | electromagnetic radiation from the sun that can cause sunburns and cellular mutations |
| ozone | O3 - a layer found in the stratosphere helps screen UV radiation |
