Examlex
________ is a health care program in which the federal government provides at least $1 (and sometimes up to $3) for every dollar the state spends .
Abiotic
Referring to non-living chemical and physical factors in the environment which affect ecosystems.
Biotic
Relating to or resulting from living things, especially in their ecological relations.
Ecosystems
Communities of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
Pyramid of Biomass
A depiction of the decreasing mass of organisms found as one ascends through the food chain.
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