Principles of Ecology

–A large group of ecosystems that share the same climate and have similar types of communities.

–An area where an organism lives.

eats only plants

–The nonliving factors in an organism’s environment.

The act of one organism consuming another organism for food.

Collects energy from Sunlight or inorganic substances( non living things) to produce food.

This picture represents

Which would be an abiotic factor for a tree in the forest?

The oceans, lower atmosphere, and continents are parts of the ....

A role or position that an organism has in its environment

Close relationships that exists when two or more species live together.

Choose the answer that shows the correct amount of energy that each level has. ( Bottom to top)

–A relationship in which one organism benefits and the other is neither helped nor harmed.

Which organism in the picture is a primary consumer?

eat other heterotrophs

A group of interacting population that occupy the same geographic area at the same time.

What is the name of the process in which bacteria convert nitrogen into its usable form?

The living factors in an organism’s environment.

The relationship between two or more organisms that live together and benefit from each other.

the study of the interactions between organisms and their environments.

–A biological community and all of the abiotic factors that affect it.

Where is the largest concentration of nitrogen found?

–One organism benefits at the expense of another organism.

What term best describes the bee's role of gathering pollen?

Organism that gets energy by consuming other organisms.

–the portion of Earth that supports life.

Temperature, air, sunlight, soil, rainfall, or other available nutrients are examples of...

eat fragments of dead matter in ecosystems

eat both plants and animals

Individual organisms of a single species that share the same geographic at the same time.