Study Guide Flashcards
Energy Pyramid
An energy pyramid is a graphical model of energy flow in a community.
Food web
A system of interlocking interdependent food chains.
Decomposer
Decomposers break down and absurd nutrients from decay.
Food chain
A food chain shows how food and energy passes through organisms.
Coniferous
Plants that produce reproductive organs called cones.
Consumer
an organism that eats other living things to get energy; an organism that does not produce its own food
Biome
a major ecological community such as grassland, tropical rain forest, or desert
Deciduous
a forest containing trees that lose their leaves each year
Ecology
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
Cycle
the movement of a substance through different reservoirs or stages
Nitrogen Cycle
a process in which nitrogen in the atmosphere enters the soil and becomes part of living organisms then eventually returns to the atmosphere
Biotic factors
all of the living parts of an ecosystem
Water Cycle
the continual movement of water between the land, ocean, and the air
Abiotic Factor
Non living
Producer
an organism that makes its own food; an organism that does not consume other plants or animals
