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Ecology

QuestionAnswer
Invasive species a species of plant or animal that outcompetes other species, causing damage to an ecosystem.
Ecology a branch of biology that deals with the interactions among organisms and their environment.
Ecosystem an ecosystem is made up of all the living things, such as bacteria, plants, and animals, that interact with one another.
Abiotic non-living
Biotic living
Biomes are large geographic areas of the earth identified by a particular type of dominant plant and animal life
Population All the organisms of a species that live in the same area
Community All the different populations combine to form a community. A community includes all the populations, both plant an animal, living in a given area.
Biosphere All of Earth’s ecosystems make up the biosphere- the part of Earth upon which life exists. Throughout the biosphere, organisms interact and compete for vital resources, such as food, space, and shelter.
Ecological Niche The role that each species plays in an ecosystem. Only one species at a time can occupy a particular niche. If two species attempt to fill the same role in an ecosystem, competition results.
Saprophytes(decomposers) Heterotrophic plants, bacteria, and fungi that feed on dead and decaying organisms.
Mutualism Both organisms benefit. Example: E. Coli bacteria live in your intestines and make vitamin K for you
Commensalism 1 organism benefits & the other is not affected. Example: Clams making a home on the underside of a horseshoe crab’s shell while the horseshoe crab is unaffected.
Parasitism 1 organism benefits while the other is harmed. Ex. Tapeworm (parasite- cause harm) lives inside the body of an organism such as a cat or dog (host).
Created by: 28blackj
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