Final Flashcards
Energy pyramid
A model shows the available amount of energy in each tropic layer in an ecosystem
Food web
A model that shows many different feeding relationships among living things
Food chain
A model that shows 1 set of feeding relationships among living things
Consumer
An organism that eats other living things to get energy ; an organism that does not produce its own food
( related word: consume)
Biome
A major ecological community such as grassland, tropical rainforest, or desert
Ecology
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings
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
All living parts of an ecosystem
Abiotic
All the non living parts of an ecosystem
Water cycle
The continental movement of water between the land, ocean, and the air
Carbon cycle
A natural cycle in which carbon compounds, mainly carbon dioxide, are incorporated into living tissue through photosynthesis and returned to the atmosphere by respiration, decay of dead organisms, and the burning of fossil fuels
Predator
An animal that hunts and eats other animals
Prey
An animal that is hunted and eaten by other animals
Succession
The progressive replacement of one community by another until a climax community is established
Producer
Producers make their own food
