Definitions
an organism's function in its habitat, including its relationship with other organisms
What is a niche?
treeless plain
What is a tundra?
When two or more organisms live together, and both get a benefit out of the living situation
What is mutualism?
Who is man?
a system made up of all living organisms interacting with one another and their environment
What is an ecosystem?
the layer of earth where life exists
What is the biosphere?
when 2 organisms live in a relationship where one benefits while the other is neither harmed nor helped
What is commensalism?
living organisms and their interaction with each other
What are biotic factors?
an organism that obtains its food by feeding on other organisms or organic matter
What is a consumer?
areas of the world with similar climate, animals, and plants
What are biomes?
when 2 organisms live in a relationship where one benefits and the other is harmed
What is parasitism?
levels of feeding relationships between organisms
What is a trophic level?
a model that shows feeding relationships in an ecosystem
What is a food web?
temperate grassland of North America
What is the prairie?
organism that benefits from a parasitism
What is the parasite?
non-living components of an ecosystem
What are abiotic factors?
an organism that makes its own food using energy from the sun or other sources
What is a producer?
where tall trees spread their branches and leaves out like a large umbrella, shading the forest floor
What is a canopy?
organism that is harmed in a parasitism
What is the host?
natural home of a living thing
What is a habitat?