Coral reefs

Coral reefs

Coral reefs are structures formed from the calcium carbonate secretions of corals. They are colonies of tiny animals in marine areas containing few nutrients.

Industry: Natural environment

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Coral reefs

Tube feet

Natural environment; Coral reefs

Extensions of the water-vascular system of echinoderms, protruding from the body and often ending in suckers. They may be used for locomotion and/or for maintaining a tight grip on prey or on the ...

In statistics, the number of independent comparisons that can be made between the members of a sample; in a contingency table it is one less than the number of row categories multiplied by one less ...

Feral

Natural environment; Coral reefs

Existing in a wild or untamed state.The term is often used to describe an animal which has reverted to such a state from domestication. An example of the latter is a once farmed fish, or the progeny ...

Alternative hypothesis

Natural environment; Coral reefs

In statistics, the hypothesis that is adopted when the null hypothesis is rejected.

Genomics

Natural environment; Coral reefs

The comprehensive analysis of all the genes of an organism; molecular characterization of all the genes and gene products of a species, including the study of gene sequences, gene mapping, and gene ...

Introgression

Natural environment; Coral reefs

The movement or incorporation of genes from one population into another through hybridization followed by backcrossing. Usually refers to movement of genes from one species to another or among ...