Ecology Vocab Quiz

The series of changes that occur after a disturbance in an already existing ecosystem describes...

• a climax community.

• a pioneer species.

• primary succession.

• secondary succession.

A population is...

• All of the organisms living in a particular area, as well as the non-living physical components of the environment with which the organisms interact.

• Different species that live together in a defined area.

• the number of organisms of the same species living in the same area at the same time.

• The part of earth that contains all ecosystems.

All of the different living things (organisms) in the same place at the same time is...

• a community.

• a population.

• a climax community.

• a pioneer species.

Climax Community can be defined as...

• the change that takes place after a community of organisms has been removed but the soil has remained intact.

• a specific biological community and its physical environment interacting in an exchange of matter and energy.

• a final, stable community in equilibrium with the environment.

• physical, or nonliving, factor that shapes an ecosystem.

A step in the movement of energy through an ecosystem; an organism's feeding status in an ecosystem is

• Community

• Trophic Level

• Population

• Primary Sucession

A pioneer species is...

• an organism that supplies matter & energy.

• an organism, like lichen, that colonize barren rock or lava during primary succession & help in the development of soil so other organisms may follow.

• the condition in which one living organism serves as a food source for another.

• all the individuals of a species that live together in one place at the same time.

A simple slow-growing plant made of both a specific fungus and a specific algae that help one another that typically forms a low crusty, leaflike, or branching growth on rocks, walls, and trees.

• Lichen

• Trophic Level

• Pioneer Species

• Climax Community

Primary Succession is...

• The series of changes that occur after a disturbance in an existing ecosystem.

• The number of species within a specific habitat.

• Occurs when an organisms colonizes a lifeless habitat. The development of plant and animal life in an area where NO ecosystem previously existed.