20 Terms
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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
apomorph
Natural environment; Coral reefs
A derived character differing from the ancestral condition.
sea cow
Natural environment; Coral reefs
A large, herbivorous aquatic mammal of the order Sirenia that contains two Recent families: Dugongidae for the genera Dugong (dugong, one species) and Hydrodamalis (Steller's sea cow, one species ...
ancestral trait
Natural environment; Coral reefs
A trait shared by a group of organisms as a result of descent from a common ancestor.
telolecithal
Natural environment; Coral reefs
An egg cell in which the yolk is not evenly distibuted throughout the cytoplasm, but is concentrated in one location, and cleavage is incomplete, e.g., a bird egg.
