Unit 9: Humans and the Environment

Front

What is sustainable farming and fishing?

Back

A type of farming and fishing that produces food in a way that does not harm the environment.

Front

What does the term 'population density' refer to?

Back

The number of organisms per unit area.

Front

What is emigration?

Back

Emigration means to 'move out'.

Front

What can happen to wildlife when they ingest plastic?

Back

Wildlife may try to eat plastics and choke on them.

Front

What is the relationship between the bear and dolphin populations in the given scenario?

Back

The bear population is increasing as the dolphins have decreased.

Front

What are anthropogenic changes?

Back

Changes in the environment caused by human activity.

Front

What is overexploitation?

Back

The excessive use of resources leading to depletion.

Front

How does trash and litter affect wildlife?

Back

Trash can cover the scent of other animals and may be ingested by wildlife.

Front

What is the difference between population size and population density?

Back

Population size is the total number of individuals, while population density is the number of individuals per unit area.

Front

What is the impact of sustainable practices on the environment?

Back

Sustainable practices help preserve ecosystems and reduce harm to the environment.