Shelter

Any aquatic invertebrate animal having a shell and belonging to the phylum Mollusca, the class Crustacea (phylum Arthropoda), or the phylum…

A rigid covering that envelops an object.

The transition between the gently sloping continental shelf and the much steeper continental slope that descend to ocean depths. …

A plant that has been used in some cultures to treat certain medical problems. It may have anticancer effects. The scientific name…

A technique for identifying and removing T lymphocytes based on their ability to form rosettes with untreated sheep erythrocytes.

Any one of several species of ruminants of the genus Ovis, native of the higher mountains of both hemispheres, but most numerous…