A localized concentration of melanin is referred to as a freckle.
Dystonia localized to two contiguous body parts is referred to as segmental.
Edema
A population is a group of potentially breeding organisms within a species in a defined space and time. Populations can vary in size and structure, and are important units in studying ecology and evolution.
Plankton bloom.
One hundred percent of Antarctica is South -- and the populations of the sea birds and sea mammals that breed on the continent's beaches can number into the 10s of thousands.
A breeding horse is typically referred to as a stallion if male or a mare if female. These horses are specifically used for reproduction purposes in breeding programs.
James R. March has written: 'Breeding duck populations and habitat in Wisconsin' -- subject(s): Bird populations, Birds, Ducks, Wisconsin
a community... biotch
Cross breeding means the production of an organism by mating two different species, breeds or varieties together. It can also be referred to as hybridization.
It could be food, water, space (eg for nesting/breeding).
Mares used for breeding are called Broodmares...if they are pregnant they are referred to as "in foal".