Ecology Test

Consumer that eats plants

• heterotroph

• herbivore

• producer

• community

relationship in which two species live closely together

• resource

• mutualism

• succession

• symbiosis

The rabbit in this food web would be considered a:

• Decomposer

• Producer

• Secondary Consumer

• Primary Consumer

The image provided is an example of a(n):

• Carnivore

• Herbivore

• Producer

• Autotroph

The nonliving aspects of an ecosystem.

• Abiotic factors

• Biotic factors

The living portions of the ecosystem.

• Biotic factors

• Abiotic factors

As you move upward, from level to level, in an energy pyramid, energy _____.

• increases

• decreases

• stays the same

• increases exponentially

An organism that produces its own food supply from inorganic compounds is called a(an)

• heterotroph

• consumer

• detritivore

• autotroph

symbiotic relationship in which both organisms benefit

• competition

• Mutualism

• nitrogen fixation

• energy pyramid

A living relationship between two species in which one organism is harmed is called...

• mutualism

• commensalism

• parasitism

• niche