Ch 22: Communities and Ecosystem Dynamics

Front

What happens to organisms if their environment is outside their range of tolerance?

Back

They fail to reproduce.

Front

What is the term for the number of different species in an ecosystem?

Back

Species diversity.

Front

What is resilience in an ecosystem?

Back

The ability for an ecosystem to respond to a disturbance by resisting damage and recovering quickly.

Front

What is the ecological value of a keystone species?

Back

They influence the survival of many other species in an ecosystem.

Front

What term describes the variety of species in a certain area?

Back

Biodiversity.

Front

Define 'ecosystem dynamics'.

Back

The study of changes in ecosystem structure and function over time.

Front

What is the role of producers in an ecosystem?

Back

They convert solar energy into chemical energy through photosynthesis.

Front

What is the difference between primary and secondary succession?

Back

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

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is the significance of biodiversity in ecosystems?

Back

Biodiversity enhances ecosystem productivity and stability.