Food Chain Food Web Energy Pyramid
The trophic level of an organism is the position it occupies in a food chaina food chain is a succession of organisms that eat other organisms and may in turn be eaten themselves.
Food chain food web energy pyramid. What is the relationship between a good chain and a food web. Food chains and food web video password required. The above energy pyramid shows many shrubs grass providing food and energy to zebras. Food chains and energy pyramids energy changes and heat flow beginning with photosynthesis.
Photosynthesis the beginning of energy flows in plants and animals. A food chain is a single series of organisms in which each plant or animal depends on the organism above or below it. The terms food chain and food web both refer to groups of organisms that are dependent on each other for food. The biological communities within lakes may be organized conceptually into food chains and food webs to help us understand how the ecosystem functions figures 12 and 13.
The energy pyramid tell us two things about how energy moves in an ecosystem. The trophic level of an organism is the number of steps it is from the start of the chain.
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