Env Sci A Final Exam (M)

Front

What happens to a population when it exceeds the ecosystem's carrying capacity?

Back

Density Dependent limiting factors start to occur resulting in the population going back below carrying capacity.

Front

What is the primary source of energy in Hong Kong?

Back

Coal

Front

What should you do if there is a fire at school?

Back

Pull the fire alarm.

Front

How is the Rate of Natural Increase calculated?

Back

Birth rate minus death rate.

Front

What does a prediction of Fast Growth in population indicate?

Back

The population will explode.

Front

Define carrying capacity in an ecosystem.

Back

The maximum population size that an environment can sustain indefinitely.

Front

What are density dependent limiting factors?

Back

Factors that affect population growth based on the population size, such as competition, predation, and disease.

Front

What are density independent limiting factors?

Back

Factors that affect population growth regardless of the population size, such as natural disasters and climate.

Front

What is renewable energy?

Back

Energy that is collected from resources that are naturally replenished, such as sunlight, wind, and water.

Front

Explain the concept of ecological footprint.

Back

A measure of human demand on the Earth's ecosystems, representing the amount of natural capital used.