Examlex
List the four biogeochemical cycles that need to be in balance in order to have stable ecosystems.
Endogenous
Originating from within an organism, tissue, or cell, used to describe processes or substances that are internally generated.
Naturally Occurring
Referring to substances, phenomena, or processes that exist or happen without human intervention.
Polarized
A term indicating something is divided into two sharply contrasting groups or sets of opinions or beliefs.
Transmitter Substances
are chemical substances, such as neurotransmitters, that transmit nerve impulses across synapses between nerves or from nerves to muscles or organs.
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