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Dichotomous Key a sequence of steps that allows the identification of a living thing. The key will consist of a series of choices that lead the user to the correct name of a given item.
Compost A mixture of decayed or decaying organic matter used to fertilize soil.
Biomass the total mass of organisms in a given area or volume
Decay rot or decompose through the action of bacteria and fungi
Ecology the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
Energy Pyramid a triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain
Trophic Levels any class of organisms that occupy the same position in a food chain, as primary consumers, secondary consumers, and tertiary consumers
Organism a living thing; anything that can carry out life processes independently
Population a group of organisms of the same species that live in a specific geographical area
Community group of different populations living in the same area
Ecosystem community of organisms and their abiotic, or nonliving, environment
Tundra region found at far northern and far southern latitudes characterized by low-lying plants, a lack of trees, and long winters with very low temperatures
Taiga region of evergreen, coniferous forest below the arctic and subarctic tundra regions
Deciduous Forest a type of forest characterized by trees that seasonally shed their leaves
Grasslands region that is dominated by grasses, that has few woody shrubs and trees, that has fertile soils, and that receives moderate amounts of seasonal rainfall
Desert a region characterized by a very dry climate and extreme temperatures
Tropical Rainforest a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly. Are found around the equator.
Marine Biome The marine biome is made up of the saltwater oceans and seas as well as the bodies of water where the salt and fresh water mix
Biome a large region characterized by a specific type of climate and certain types of plant and animal communities
Created by: mvanderb