Consumers are organisms of an ecological food chain which receive energy by
An organism, such as a grass-eating animal, that feeds on green plants or other autotrophic organisms. American Heritage® Dictionary of the English Language, ...
A food chain starts with the primary energy source, usually the sun or ...
An organism, such as a grass-eating animal, that feeds on green plants or other autotrophic organisms. The American Heritage® Dictionary of the English ...
Jul 30, 2015
Nov 5, 2008
There are three levels of consumers in an ecological food chain: primary,
secondary and tertiary consumers.
There are three levels of consumers. The levels start with the organisms that eat
plants. Scientists named this first group of organisms the