Science Ecology

Term Definition
Ecology The study of how living things interact with each other and their environment
habitat The places where an organism lives and that provides the things the organism needs
Niche An organisms particular role in an ecosystem or how it makes its living
Environment The surrounding or conditions in which a person, animal or plant lives
Species A group of similar organisms whose members can mate with one another and produce fertile offspring
Population All the members of one species in a particular area
Community All the different populations that live together in an area
Ecosystem All the living and nonliving that interact in an area
Biome Group of ecosystems that have have the same climate and similar dominant communities
Succession The series of predictable changes that occur in a community overtime
Pioneer Organism The first organism to populate an area
Climax Community Last community in a successful
Producers Organisms that make its own food
Consumers Organism that obtains energy by feeding on other organisms
Herbivore Animal that only eats plants
Carnivore Animal that only eats meat/animals
Omnivore Animal that eats both plants and animals
Decomposer Organisms that breaks down and returns important materials to soil + H20 large chemicals from dead materials organisms into small chemicals
Mutualism A type of symbiosis in which both partners benefit from living together
Parasitism A relationship in which one organism lives on or inside another and harms it
Commensalism Relationship between 2 species in which one species benefits + the other is neither helped nor harmed
Transpiration Process by which H20 is lost through plant's leaves
Condensation Process by which a gas changes to a liquid
Legumes Plants that have bumps called nodules on their roots
Limiting Factor An environment factor that prevents a population from increasing
Carrying Capacity The largest population that an area can support

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