| A | B |
|---|
| Biodiversity | the variety of life in a particular habitat or ecosystem |
| Ecosystem | All the organisms living in a given area & interacting with each other with the nonliving parts of that system |
| Biotic Factors | Living parts of an ecosystem |
| Abiotic Factors | Nonliving things in an ecosytem |
| Population | Group of the same type of organism living in the same place at the same time |
| Community | All of the populations living in an area |
| Organism | any single or multicelled organism that has the characteristics of life |
| Producer/Autotroph | Organism that makes its own food |
| Consumer/Heterotroph | Organism that eats other organisms |
| Decomposer | Breaks down dead organisms or wastes of organisms |
| Scavenger | Animal that feeds on dead or decaying animals that it did not kill |
| Carnivore | Animal that eats the flesh of other animals |
| Herbivore | Animal that feeds on plants |
| Omnivore | Animal that eats both plants and animals |
| Food Chain | Model that shows how energy flows from on organism to another in an ecosystem in a simple feeding relationship |
| Food Web | All the interconnecting food chains that shows the complexity of feeding relationships |
| Detrivore | Organisms that eat decaying plant & animal matter (detritus) |
| Energy Pyamid | a model that shows the flow of energy from one trophic level to the next in an ecosystem |
| Trophic Level | a level or a position in a food chain or ecological pyramid |
| Biome | A biome is a large geographical area of distinctive plant and animal groups, which are adapted to that particular environment |
| Biosphere | All parts of the earth that contain life including water, land and air |
