Foliose coral

A general term used to describe a group of cnidarians; indicates the presence of skeletal material that is embedded in the living tissue or encloses the animal altogether.

coral

Archaeology; Evolution

These tiny animals make calcium carbonate skeletons that are well known as a key part of tropical reefs. The skeletons of the extinct rugose and tabulate corals are known from ...

coral

Biology; Marine biology

a group of marine animals belonging to the phylum cnidaria, that exist as small sea anemone-like polyps, typically in colonies of many identical individuals; or the skeletal ...

coral

Animals; Animals

Small sea animals with a soft body, a hard outer skeleton, and tentacles that sting and live in shallow water.

macroplankton

Biology; Marine biology

Planktonic organisms that are 200-2,000 micrometers in size.

nanoplankton

Biology; Marine biology

Planktonic organisms that are 2-20 micometers in size.

megaplankton

Biology; Marine biology

Planktonic organisms that are greater than or equal to 2000 micrometers in size.

mixoplankton

Biology; Marine biology

Planktonic organisms that can be classified at several trophic levels. For example, some ciliates can be photosynthetic but also can ingest other plankton and are heterotrophic.

logistic population growth

Biology; Marine biology

Population growth that is modulated by the population size relative to carrying capacity. Population growth declines as population approaches carrying capacity, and is negative ...

global warming

Biology; Marine biology

Predicted increase in the earth's oceanic and atmospheric temperature, owing to additions of carbon dioxide to the atmosphere, as a result of human activities.