Biology Site
	Deborah Watson-Novacek BellaOnline's Biology Editor

Coral - Anatomy and Feeding Behavior
Coral colonies are composed of many tiny, cup-shaped animals called polyps. Polyps, which are related to jellyfish, can be as large as a saucer or smaller than the head of a pin. Millions of polyps working together eventually form the framework of coral reefs.

Coral - Introduction and Taxonomy
Are corals animal, vegetable or mineral? An introduction to the unique organism that is coral.

Plankton - What Do You Know About Plankton?
Plankton, occupying the lowest levels of the food chain, are enormously important in supporting life on this planet. Different types of plankton serve as the initial prey for all fish larvae, food for whales, and as an important part in the ocean's carbon cycle.