Abiotic Factors, Nonliving parts of an organism’s habitat (water, soil, sunlight), Biotic Factors, The parts of a habitat that are living, or once living, and interact with an organism (animals, plants), Why do we study abiotic & biotic factors?, To predict population changes and ecological events., Predator, The organism that does the killing, Prey, The organism that is getting killed, Species, A group of organisms that can mate with each other and produce offspring, Population, All the members of one species living in a particular area, Community, All the different populations that live together in an area, Ecosystem, Living & non-living organisms that live in an area, birth rate > death rate, population size increases, death rate > birth rate, population size decreases, limiting factor, an environmental factor that causes a population to stop growing or decrease, carrying capacity, The largest population that an area can support, Energy pyramid, omnivore, An organism that can eat both animals and plants, herbivore, An organism that mostly feeds on plants, carnivore, An organism that mostly eats meat, adaptation, A behavior or physical characteristic that helps an organism survive and reproduce in its environment, Biome, A group of ecosystems with similar climates and organisms, The six major biomes, desert, rain forest, grassland, deciduous forest, boreal forest, and tundra.

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