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.

Are corals animal, vegetable or mineral? An introduction to the unique organism that is coral.

Environmentalism uses many terms that are unique to the science. This is a glossary of environmental terms. (A through E)

All living beings are composed of cells, but not all cells are alike. This article discusses the differences between plant and animal cells and the composition of plant cells.

All living beings are composed of cells, but not all cells are alike. This article discusses the differences between plant and animal cells and the composition of animal cells.

Responsible in large part for the extensive research that led to the description and understanding of deoxyribonucleic acid, or DNA, Rosalind Franklin was never recognized for this accomplishment during her short life.

Responsible in large part for the extensive research that led to the description and understanding of deoxyribonucleic acid, or DNA, she was never recognized for this accomplishment during her short life.

Ichthyology uses many terms that are unique to the science. This is a glossary of terms used in ichthyology, fisheries, fisheries management and fisheries science.

One of my favorite modern biologists is Carmen C. Velasquez, who pioneered in the field of fish parasitology. Unfortunately, she is a scientist little known by others outside her fields of study or her country of origin. Hopefully this article will help spread the word about a wonderful biologist!

One of the great collections of science essays is "Bully for Brontosaurus" by biologist and paleontologist Stephen J. Gould.