Natural environment

Natural environment

Related to any physical feature of the earth's natural environment.

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Natural environment > Coral reefs

anal fin

Natural environment; Coral reefs

The single fin situated on the ventral midline of a fish, behind the anus, and anterior to the caudal fin.

runoff

Natural environment; Coral reefs

Water that has been on land and moves seaward as a result of rain, flooding, irrigation or flushing . Runoff is frequently high in nutrients and suspended sediments, as well as ...

diverticulum

Natural environment; Coral reefs

A blind sac branching off a cavity or canal.

patchy necrosis

Natural environment; Coral reefs

A disease of corals. Colonies with this condition have small (2-10 cm diameter) circular to irregular patches of denuded skeleton that will increase in diameter an additional 1-10 ...

alternation of generations

Natural environment; Coral reefs

A life cycle in which a multicellular diploid stage is followed by a haploid stage, and so on; found in land plants and many algae and fungi.

biotype

Natural environment; Coral reefs

A physiological variety or a group of individuals having distinctive genetic characters in common.

single nucleotide polymorphism (SNP)

Natural environment; Coral reefs

A SNP (pronounced "snip") is a small genetic change, or variation, that can occur within an organism's DNA sequence. The genetic code is specified by the four nucleotides: ...