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17 Cards in this Set

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limiting factor
Anything that controls the growth or survival of a population.
adaptations
Inherited traits that help an organism survive in its environment.
symbiosis
Relationship between two kinds of organisms that lasts over period of time.
mutualism
A relationship between two kinds of organisms that benefits both organisms.
parasitism
A relationship in which one kind of organism lives on or in another organism and may harm that organism.
commensalism
A relationship in which one organism benefits from another without harming or helping it.
biome
A large ecosystem with its own kind of climate, soil, plants, and animals.
grassland
A biome where grasses are the main plant life.(Savannah are an example)
taiga
An area with lakes and ponds in a cool, foredted biome.
tundra
A cold biome near the polar ice sheets.
deserts
A sandy or rocky biome, with little precipitation and little plant life.
deciduous forest
Biome with many trees that lose their leaves each year.
tropical rain forests
Biomes that are hot and humid, with much rainfall and wide variety of life.
ecological succession
Gradual replacement of one community by another.
pioneer species
First species living in an otherwise lifeless area.
pioneer community
A new community.
climax community
Final stage of succession in an area, unless a major change occurs.