Ecosystems Flashcards
A model that shows the available amount of energy in each trophic layer in an ecosystem.
Energy pyramid
A model that shows many different feeding relationships among living things.
Food web
Organisms which carry our the process of decomposition by breaking down dead or decaying organisms.
Decomposer
A model that shows one set of feeding relationships among living things.
Food chain
A type of plant with needle-like leaves that uses cones to reproduce.
Coniferous
An organism that eats other living things to get energy; an organism that does not produce its own food consumes.
Consumer
A major ecological community such as grass land, tropical rain forest, or desert.
Biome
A forest containing trees that lose their leaves each year.
Deciduous
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Ecology
A process that is repeated.
Cycle
A process in which nitrogen in the atmosphere enters the soil and becomes part of living organisms that eventually returns to the atmosphere.
Nitrogen Cycle
All living parts of an ecosystem.
Biotic Factors
The continual movement of water between the land, ocean, and the air.
Water Cycle
The nonliving parts of and ecosystem.
Abiotic Factors
An organism that makes its own food;
Producers