General

General

General nature or nature terms.

Industry: Natural environment

Add a new term

Contributors in General

Become a Contributors

General

palynology

Biology; General

The study of palynomorphs and other acid-resistant microfossils usually produced by plants, protists, and fungi.

placental mammals

Biology; General

One of three groups of mammals that carry their young in the mother's body for long periods during which the fetus is nourished by the placenta. Humans are placental mammals.

palynomorph

Biology; General

Generic term for any object a palynologist studies.

punctuated equilibrium

Biology; General

A model that holds that the evolutionary process is characterized by long periods with little or no change interspersed with short periods of rapid speciation.

A gland in the abdominal cavity that secretes digestive enzymes into the small intestine and also secretes the hormones insulin and glucagon into the blood, where they regulate blood glucose levels. ...

planaria

Biology; General

Small free-living flatworms (Phylum Platyhelminthes) with bilateral symmetry and cephalization. The freshwater type is often used as an experimental organism.