Examlex
What are the highly sensitive cells within the hypothalamus that react to changes in blood composition and cause the release of antidiuretic hormone (ADH) when appropriate?
Trophic Level
A level in an ecosystem's food web characterized by organisms that share the same step in energy flow, such as primary producers or primary consumers.
Grazing Food Chain
Food chain in which energy is transferred from producers to grazers (herbivores).
Detrital Food Chain
Food chain in which energy is transferred directly from producers to detritivores.
Atmosphere
The layer of gases surrounding a planet or moon, held in place by gravity, essential for life on Earth.
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