Flashcards in Unit 8 Part 1 Deck (20):
Nonliving parts of an organisms environment; air currents, temperature, moisture, and soil.
A community made up of interacting populations in a certain area at a certain time.
Portion of Earth that supports life; extends from high in the atmosphere to the bottom of the oceans.
All the living organism that inhabit an environment.
Symbiotic relationships in which one species benefits and the other species is neither harmed nor benefited.
Scientific study of interactions between organisms and their environments.
Interactions among populations in a community; the community's physical surroundings, or abiotic factors.
A place where an organism lives out its life.
Symbiotic relationship in which both species benefit.
Role or position a species ha in it's environment; includes all biotic and abiotic interactions as an animal meets its needs for survival and reproduction.
Symbiotic relationship in which one organism benefits at the expense of another, usually another species.
Group of all organism all if the same species, which interbred and live in the same place at the same time.
Permanent, close association between two or more organisms of different species.
Organisms that use energy from the sun or energy stored in chemical compounds to manufacture their own nutrients.
The total mass or weight of all living matter in a given area.
Organisms such as a fungi or bacteria, that break down and absorb nutrients from dead organisms.
Simple model that shows how matter and energy move through an ecosystem.
Model that shows all the possible feeding relationships at each trophic level in a community.
Organisms that cannot make their own food and must feed on other organisms for energy and nutrients.