Chapter 2- Energy Flow In The Ecosystem Flashcards
Producer
An organism that can make its own food.
Consumer
An organism that obtains energy by feeding on their organisms.
Herbivore
A consumer that obtains energy by eating only plants.
Carnivore
An organism that obtains energy by eating only meat.
Scavenger
A carnivore that feeds only on the bodies of dead or decaying organisms
Omnivore
A consumer that obtains energy by eating both plants and animals
Decomposer
An organism that get energy by breaking down biotic wastes and dead organisms, and returned materials to water and soil.
Food chain
A series of events in an ecosystem in which organisms transfer energy by eating and being eaten.
Food Web
The pattern of overlapping feeding relations or food chains among the various organisms in the ecosystem.
Energy pyramid
A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
Evaporation
The process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
Condensation
The change in state from a gas to a liquid.
Precipitation
Any form of water that falls from clouds and reaches Earths surface as rain, snow, sleet, or hail.
Nitrogen fixation
The process of changing free nitrogen gas into nitrogen compounds that plants can absorb and use.