Human Impact on the Environment

What is an example of nonnative species introduction?

• Water hyacinths from Asia now grow in the United States and are crowding out animals and other plants.

• Bamboo species that are native to North America.

• Cacti that are found in the deserts of Australia.

• Maple trees that are originally from Europe.

How can we preserve water resources?

• Take shorter showers.

• Leave the tap running while brushing teeth.

• Use a hose to water the garden.

• Take long baths.

What is the primary source of carbon dioxide in the atmosphere?

• Deforestation and land use changes

• Volcanic eruptions

• People burning fossil fuels

• Natural respiration of animals

How does pollution affect fresh water sources?

• Pollution can contaminate fresh water sources, making them unsafe for drinking and harming aquatic life.

• Pollution has no significant impact on fresh water sources.

• Pollution improves the quality of fresh water sources.

• Pollution only affects saltwater sources, not fresh water.

What strategies can be employed to combat climate change?

• Reducing fossil fuel use

• Increasing plastic production

• Promoting coal energy sources

• Encouraging deforestation

What are the environmental impacts of introducing nonnative species?

• Nonnative species can enhance local biodiversity by introducing new genetic material.

• Nonnative species can outcompete local species for resources, disrupt ecosystems, and lead to biodiversity loss.

• Nonnative species have no significant impact on local ecosystems.

• Nonnative species can help restore degraded habitats by filling ecological niches.

What is a true claim about fresh water usage?

• Fresh water is abundant and never runs out.

• In some places on Earth, fresh water is being used up faster than it can be replaced.

• Fresh water usage is decreasing globally.

• All fresh water is safe for drinking.

What is one way to preserve land resources?

• Reduce industrialization.

• Increase urban development.

• Expand agricultural practices.

• Promote deforestation.

What are some consequences of industrialization on land resources?

• Increased biodiversity and improved soil quality.

• Habitat destruction, soil degradation, and loss of arable land.

• Enhanced agricultural productivity and land conservation.

• Urban sprawl leading to more green spaces.

What is the importance of sustainable practices in resource management?

• Sustainable practices ensure that resources are used responsibly, preserving them for future generations and maintaining ecological balance.

• Sustainable practices focus on maximizing resource extraction for immediate economic gain.

• Sustainable practices are primarily concerned with reducing costs in resource management.

• Sustainable practices aim to eliminate all forms of resource usage.