Lesson 2 Dynamic and Resilient Ecosystems

Front

What is primary succession?

Back

The series of predictable changes that occur in a community over time, starting from bare rock.

Front

What is the correct order of primary succession?

Back

Rocks, Lichens & Mosses, Bushes & Shrubs, Trees.

Front

What is a pioneer species?

Back

The first organisms to adapt to a new environment.

Front

What does it mean when longleaf pine trees dominate an ecosystem?

Back

It means the longleaf pine trees exercise control in that ecosystem.

Front

What is ecological succession?

Back

A slow change in an environment over time.

Front

What role do lichens play in primary succession?

Back

Lichens help break down rocks into soil, allowing other plants to grow.

Front

What is a climax community?

Back

A stable and mature community that undergoes little change in species composition.

Front

How does secondary succession differ from primary succession?

Back

Secondary succession occurs in areas where a disturbance has destroyed an existing community but left the soil intact.

Front

What are abiotic factors in an ecosystem?

Back

Non-living components such as water, soil, and climate that affect living organisms.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.