- 行业: Government
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A period of suspended growth and metabolic activity. Many plants, seeds, spores, cysts, and some invertebrates become dormant during unfavorable conditions.
Industry:Natural environment
A tropical cyclone with maximum winds less than 34 m/sec (75 mile per hour).
Industry:Natural environment
Any segment of embryonic mesoderm that develops into skeletal (voluntary) muscle in the adult; any of the segmentally arranged blocks of muscle in lower vertebrates, such as fishes.
Industry:Natural environment
Energy that comes from a source and travels through some material or through space. Light, heat and sound are types of radiation.
Industry:Natural environment
In sponges, an amoeboid cell capable of phagocytosis. Archaeocytes are totipotent, having the capability of differentiating into other types of sponge cells.
Industry:Natural environment
Reproduction that does not involve the union of sex cells (gametes) to produce a zygote. Examples in corals are budding and fragmentation.
Industry:Natural environment
