Having two rows of bristles or hairs, typically used to describe certain types of insect antennae.

An organism or individual that is capable of producing both male and female reproductive cells, or an individual attracted to…

A pair of homologous chromosomes that are physically linked during meiosis, often forming tetrads.

A type of mollusk that has two hinged shells, such as clams, oysters, and mussels.

Referring to an organism or structure that has two shells or valves, typically found in bivalve mollusks.

Mollusks that have a body enclosed in a pair of hinged shells, such as clams, oysters, and mussels.

A sac-like organ or cavity in organisms that stores fluids or gases, such as the urinary bladder in mammals or…

The flat, wide part of a leaf, typically where photosynthesis occurs, or a part of a structure like a knife…

A term referring to an immature or early developmental stage of a cell or organism.

A mass of undifferentiated cells that can develop into various tissues, typically in organisms capable of regeneration.