Ecology - EOC Review

Front

Define predation.

Back

When one organism hunts and kills another.

Front

What is a density-dependent factor in population ecology?

Back

A factor that influences a population's growth based on its density, such as food availability or disease.

Front

What components make up an ecosystem?

Back

Snakes, lizards, cacti, sand, sunlight, rocks, and temperature (heat).

Front

How should the arrows be represented in a food web containing fungi?

Back

Pointing from all organisms to fungi.

Front

What is exponential growth in population ecology?

Back

A growth pattern where the population size increases rapidly in proportion to the current size.

Front

Define mutualism.

Back

A relationship between two species in which both benefit.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.

Front

Define carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is the difference between a habitat and a niche?

Back

A habitat is the environment where an organism lives, while a niche is the role or function of that organism within its ecosystem.