Wade S1

Front

What is overgrazing?

Back

Overgrazing is when animals eat too much grass and plants in an area, which can harm the land.

Front

What are two effects of overgrazing?

Back

Erosion and desertification.

Front

What does erosion mean?

Back

Erosion is when soil and rocks are worn away by wind or water.

Front

What is desertification?

Back

Desertification is when fertile land becomes desert due to overgrazing, drought, or other factors.

Front

What is biodiversity?

Back

Biodiversity is the variety of different species of plants and animals in a particular area.

Front

Which environment has the highest diversity of tree species?

Back

Tropical rainforests have the highest diversity of tree species.

Front

What is island biogeography?

Back

Island biogeography is the study of how species are distributed on islands and how distance from the mainland affects this.

Front

Why do closer islands have more species?

Back

Closer islands have more species because more animals can travel shorter distances to reach them.

Front

What is an age structure diagram?

Back

An age structure diagram shows the distribution of various age groups in a population.

Front

What does a high total fertility rate mean?

Back

A high total fertility rate means that women in a population are having many babies.