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.