Human influences on ecosystems：練習題

Deforestation is a major cause of habitat destruction. Which process directly explains why deforestation leads to a significant loss of soil?

The extraction of natural resources and urban development (housing) are two reasons for habitat destruction. How do these activities directly impact biodiversity?

Which of the following is a direct undesirable effect of deforestation on the global environment?

Which conservation method is specifically designed to protect plant species from extinction by storing their genetic material in a dormant state for many years?

List three human activities that are primary causes of habitat destruction globally.

Explain two specific ways in which deforestation leads to the degradation of the local environment, excluding its effect on atmospheric carbon dioxide.

Human activities have a significant impact on global ecosystems, particularly through the destruction of habitats and the alteration of the atmosphere.
(a) Describe how deforestation leads to an increase in the concentration of carbon dioxide in the atmosphere.
(b) Explain two undesirable effects of deforestation on an ecosystem, other than its contribution to climate change.