Density
Factors
Growth
100

Number of bacteria per square millimeter

What is population density?

100

A disease is:

What is a density-dependent limiting factor?

100

The human population experienced exponential growth after:

What is the Industrial Revolution?

200

When organisms move out of a population

What is emigration?

200

Earthquake is:

What is density-independent limiting factor?

200

About 500 years ago, the world's population started to:

What is grow more rapidly?

300

When organisms move into a population

What is immigration?

300

Competition, Predation, and Human disturbances are:

What are limiting factors?

300

Birth rate becomes higher than the death rate

What is population growth?

400

BONUS - Free points

400

Competition, Crowding, Disease

What are density-dependent limiting factors?

400

When individuals in a population reproduce at a constant rate

What is exponential growth?

500

Change from high birthrates and high death rates to low birthrates and low death rates

What is demographic transition?

500

Water lilies do not grow in desert sand because water availability to these plants in a desert is:

What is a limiting factor?

500

In countries like India, the population is growing:

What is exponentially?

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