Ecology Review (2021)

______________ is defined as the number of organisms that an ecosystem can support long-term.

• exponential growth

• carrying capacity

• population

• species

The non-living parts of the environment (such as rocks, air, temperature, sunlight, and water).

• Habitat

• Population

• Biotic Factors

• Ecosystem

• Abiotic Factors

___________ occurs when more than one population tries to use the same limited resource.

• Predation

• Competition

• Commensalism

• Energy Transfer

competition with other organisms for a limited resource will increase the carrying capacity.

• true

• false

A _________ consumer eats the producers in an ecosystem.

Limiting factors determine the growth of populations within the ecosystem. Examples of biotic limiting factors include __________. SELECT ALL THAT APPLY.

• water

• food

• competition

• clean air

The bottom level of this pyramid represents the ________

• secondary consumers

• primary consumers

• producers

The top level of this pyramid represents the ________

• secondary consumers

• primary consumers

• producers

The 10% Rule means that only 10% of energy is passed in an ecosystem from one trophic level to the next. Which trophic level has the largest amount of available energy?

• secondary consumers

• primary consumers

• producers

Which trophic level makes up the largest biomass (the weight of living things)?

• secondary consumers

• primary consumers

• producers