biology

A mollusc resembling a nautilus; specifically, a cephalopod of the subclass Nautiloidea.

A sugar or saccharide containing three carbon atoms. Trioses are the smallest monosaccharides. Dihydroxyacetone and L-/D-glyceraldehyde are the only trioses.

A streptococcus.

One of the bones, usually bearing teeth, which form the framework of the mouth.

The using of the polymerase chain reaction (PCR) for isolating and exponentially amplifying a fragment or sequence of DNA.

A structure built by a bird as a place to incubate eggs and rear young.

Buteo jamaicensis, a medium-sized bird of prey found throughout North America.

The state of reduced consciousness during which a human or animal rests in a daily rhythm.

Any of various trees and shrubs of the family Casuarinaceae growing in Australasia and parts of Asia.

Ulmus rubra, a North American elm tree with a mucilaginous and slightly aromatic inner bark.

A common species of rat, Rattus rattus.

Either of two unrelated flowering plants:

To stain with a counterstain

Any of a group of basal or primitive Late Paleozoic synapsid amniotes, part of a polyphyletic grade, formerly regarded as order Pelycosauria.

Pertaining to the nervous system and endocrine system together

Any one of several species of northern sea ducks of the genus Melanitta.

That produces erythrocytes

Any coral of the genus Millepora, having the surface nearly smooth, and perforated with very minute unequal pores, or cells.

A very small clam.

A mosquito.