Ecosystems

Front

What are density dependent factors in an ecosystem?

Back

Factors that affect population size based on the density of the population, such as predation and competition.

Front

What are density independent factors in an ecosystem?

Back

Factors that affect population size regardless of the population density, such as natural disasters like floods and tornadoes.

Front

Define carnivores.

Back

Organisms that feed exclusively on other consumers/animals.

Front

What is competition in an ecosystem?

Back

A relationship between two or more organisms that require the same resources to survive.

Front

List the five levels of environmental organization from largest to smallest.

Back

Biosphere, ecosystem, community, population, organism.

Front

What is the role of herbivores in an ecosystem?

Back

Herbivores are organisms that primarily feed on plants.

Front

Explain mutualism.

Back

A symbiotic relationship where both species benefit from the interaction.

Front

What is commensalism?

Back

A relationship between two organisms where one benefits and the other is neither helped nor harmed.

Front

Define ecosystem.

Back

A community of living organisms interacting with their physical environment.

Front

What is a population in ecological terms?

Back

A group of individuals of the same species living in a specific area.