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24 Cards in this Set

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Ecosystem
All organisms in a certain area and the environment in which they live.
Population
A reproducing group of organisms of the same species, in a certain area or region.
Habitat
The place and conditions in which an organism lives.
Ecology
The study of the interactions of organisms and their environment.
Environment
The place in which an organism lives and the circumstances in which it lives. It's physical "home" as well as the humidity and temperature of the place.
Biomes
The worlds major communities, classified by predominant vegetation and the adaptations of organisms to that environment.
Carnivore
An organism that eats meat exclusively. Most carnivores are animals, but a few fungi, plants and protists are as well.
Consumer
An organism that must consume other organisms to meet it's energy needs.
Producer
An organism that gets it's energy from inorganic (nonliving) sources. Most producers are green plants and protists.
Scavenger
An organism that feeds on dead or dying organisms.
Ominvore
Literally an organism that will eat anything - plants or animals.
Niche
The portion of the environment which a species occupies, and the conditions under which an organism can survive.
Parasite
An organism that lives on or in a host (another organism); it obtains nutirnts from the host without benifiting or killing the host (it may damage the host.
Prey
Organism hunted and eaten by a predator.
Tropics - Tropical
Region in which the climate undergoes little seasonal change in temperature or rainfall. Regions between 30 degrees north and south of the equator.
Terrestrial
Living on land.
Tundra
Vast, mostly flat, treeless Artic region of Europe, Asia and North America in which the subsoil is premanently frozen.
Stasis
A period of little or no discernable change.
Temperate grasslands
Region in which the climate is dry for long periods of summer and freezes in the winter.Vegetation is mostly grasses and erect herbs - no trees or shrubs.
Tiaga
Extensive coniferous forest across Northern hemisphere. Harsh winters and short summers.
Desert
Characterized by sparse rainfall. rapid evaporation and little vegetation. No soil.
Savanna
Dominated by grasses and scattered trees. Fairly dry during long summers and very wet during "winter".
Chapparal
Characterized by dense spiny shrubs and evergreens. Mild rainy winters and long, hot, dry summers.
Coniferous Forrest
Biome in which the principal trees are cone bearers.