Ecology Flashcard

Front

What term describes an organism that modifies its environment to create a habitat for other species?

Back

Ecosystem engineer

Front

What is the term for the development of an ecological community on a site previously devoid of life?

Back

Primary succession

Front

What is a keystone species?

Back

A species whose presence influences the population size of many other species in its community.

Front

What is interspecific competition?

Back

Competition between different species for the same resources.

Front

What does resilience in an ecosystem refer to?

Back

The capacity of a system to absorb disturbance and keep its fundamental structure or identity.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs on lifeless surfaces, while secondary succession occurs in areas where a disturbance has destroyed an existing community.

Front

What role do predators play in an ecosystem?

Back

Predators help control the population sizes of prey species, maintaining balance in the ecosystem.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity enhances ecosystem productivity and stability, providing resilience against disturbances.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how organisms obtain energy.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert solar energy into chemical energy through photosynthesis.