- Industria: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
The passively floating or weakly motile aquatic plants (phytoplankton) and animals (zooplankton).
Industry:Natural environment
The period between the formation of a cell by the division of its parent cell and the formation of two new cells by cell division.
Industry:Natural environment
One of the threadlike "packages" of genes and other DNA in the nucleus of a cell. Different species of organisms have different numbers of chromosomes. In sexually reproducing species, each parent contributes one chromosome of each pair, so offspring get half of their chromosomes from the maternal parent and half from the paternal parent. Bacterial cells do not possess a nucleus, therefore their chromosomes are located in the cellular cytoplasm.
Industry:Natural environment
The period of development of the young in viviparous animals, from the time of zygote formation (fertilization) until birth.
Industry:Natural environment
Skeleton, or support structure, which is on the inside of the organism's body. All vertebrates possess an endoskeleton that is made of either bone and/or cartilage.
Industry:Natural environment
A fine sediment often associated with river discharge and buildup of organic material in areas sheltered from high-energy waves and currents.
Industry:Natural environment
In taxonomy, each of two or more identical but independently proposed names for the same or different taxa. A junior homonym is the later published of two homonyms. A senior homonym is the earlier published of two homonyms.
Industry:Natural environment
One of two or more species of atoms of the same chemical element that have the same atomic number and occupy the same position in the periodic table. They are nearly identical in chemical behavior, but they differ in atomic mass or mass number. Therefore, they behave differently in the mass spectrograph, in radioactive transformations, and in physical properties, and may be separated or detected by means of these differences.
Industry:Natural environment
