Natural and Human Impact

This is defined as the permanent removal of trees.

• Reforestation

• Deforestation

• Forestry

• Mining

Which chemical compound does not cause acid rain?

• Sulfur dioxide

• Nitrogen oxide

• Carbon monoxide

Which of the following does not cause global warming?

• Burning fossil fuels

• Greenhouse gas

• Reforestation

• Farming livestock

Which is a result of human activities?

• decay of leaves in a forest

• acid rain kills fish in a lake

• volcanic eruptions

• bad weather

True/False: Synthetic pesticides can pose a risk to other, desirable species.

• True

• False

Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

How does pollution affect ecosystems?

• Pollution can disrupt the balance of ecosystems by harming plants, animals, and microorganisms.

• Pollution has no impact on ecosystems

What are some human activities that contribute to habitat destruction?

• Logging, renewable energy, environmental protection

• Deforestation, urbanization, mining, and pollution

Explain how floods can impact an ecosystem.

• Floods can cause habitat destruction, loss of biodiversity, and disruption of food chains.

• Floods only affect the human population, not the ecosystem.

What are the effects of wildfires?

• Enhancement of habitat, preservation of ecosystems

• Loss of habitat, destruction of ecosystems, air and water pollution, and soil erosion