EOC Blitz Review - Population Dynamics

Front

What is a density-dependent factor?

Back

A density-dependent factor is a biotic factor that affects a population's growth in relation to its density, such as competition, predation, and disease.

Front

Give an example of a density-dependent factor affecting a population.

Back

A disease spreading in densely populated areas.

Front

What is a density-independent factor?

Back

A density-independent factor is an abiotic factor that affects a population regardless of its density, such as natural disasters or climate changes.

Front

What type of limiting factor is climate change affecting migration patterns?

Back

Density-independent.

Front

What is competition in ecological terms?

Back

Competition occurs when two or more organisms vie for the same resources, such as food, space, or mates.

Front

What type of relationship do polar bears and arctic foxes have when competing for food?

Back

Competition.

Front

What is predation?

Back

Predation is an interaction where one organism (the predator) kills and eats another organism (the prey).

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both species benefit from the interaction.

Front

What is parasitism?

Back

Parasitism is a relationship where one organism benefits at the expense of another, often harming it.

Front

What is an example of a density-independent factor?

Back

The average rainfall of a region.