Populations and Communities Unit review

Front

Limiting factors that affect large, dense populations more than small, scattered populations are called ________________.

Back

Density dependent limiting factors.

Front

Why don't populations grow indefinitely?

Back

Limiting factors.

Front

Parasites, disease, and predators are examples of what type of limiting factors?

Back

Density dependent.

Front

What is the term for factors that affect population size regardless of density?

Back

Density independent limiting factors.

Front

What does an age structure diagram showing a pyramid shape typically indicate?

Back

Rapid growth.

Front

What does an age structure diagram with a rectangular shape indicate?

Back

Zero growth.

Front

What is the primary reason for population decline in a community?

Back

Limiting factors.

Front

What type of limiting factors include natural disasters and climate?

Back

Density independent limiting factors.

Front

What is the term for the maximum population size that an environment can sustain?

Back

Carrying capacity.

Front

What is the effect of increased competition on population growth?

Back

It typically decreases growth.