Displaying two separate growth forms.

the presence of two different forms of an organism in a population. Read more on: Dimorphism

Existence within a species of two distinct forms according to color, sex, size, organ structure, and so on. Occurrence of two kinds of zooids in a colonial organism. dinoflagellates

When 2 members of the same species have 2 distinct forms that differin one or more features. See sexual dimorphism.

(n) (chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms(n) (biology) the existence of two forms of individual within the same animal species (in [..]

The occurrence of two distinct forms of structure, size, coloring, or other characteristic in a single species. Sexual dimorphism occurs where dimorphism exists between males and females.

The differences in form, color, or structure between animals (or plants) of the same species.

Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the Ovaries and Testes and their related Hormones. Secondary sex characteristics are those which are [..]

When there are differences in two forms of the same species, see sexual dimorphism.

A polymorphic character in which the males and the females of a species differ in some aspect of their anatomy not directly related to reproduction or birth.

Any of the various differences between individuals of the same species; like color and size. Often sex-related differences.

Two different forms of the same species. Can be concurrent of seasonal forms.

a difference in size, form, or color, between individuals of the same species

The occurrence of 2 distinct forms of a species in a given population. Examples include sexual dimorphism ( male and female being markedly different ) and seasonal dimorphism ( dry season and wet seas [..]

A Butterfly (or other insect) that has two or more different forms, generally, but not limited to, a male and female form.

A polymorphism involving only two forms.

 males and females appear visually different

(biology) The occurrence within a plant of two distinct forms of any part. (biology) The occurrence in an animal species of two distinct types of individual. (geology) A property of certain subs [..]