Prezygoting isolating mechanism that occurs when species do not
encounter one another because they occupy different habitats. Similar to Habitat
Isolation.
The branch of biology that deals with the relationships living
things have to each other and to their environment.
The female sex cell.
Any one of the known kinds of basic chemical substances.
An animal or plant in an early stage of its development.
The study of the way animals and plants develop during their
earliest stages.
Occurs when individuals leave their population.
A major branch of zoology that is concerned with the study of
insects.
An external area to which an organism is supposed to survive in.
Proteins that speed up chemical reactions.
Epoch of time lasting from 54 million to 38 million years ago.
Prezygotic isolating mechanism that occurs when a species does not
recognize another species as a mating partner because it does not present the correct
mating rituals.
The branch of zoology that deals with animal instincts.
The study of hereditary improvement by genetic control.
An organism composed of one or more cells which chontain
well-defined nuclei.
A gradual process in which something changes into a different and
usually more complex form.
An evolutionary change that persists in a continuous fashion over a
long period of time.
A branch of biology that specializes in the search for and study of
life elsewhere in the universe.