Biodiversity and Population Changes

What are some causes of biodiversity loss?

• Deforestation, urbanization, and genetic diversity loss.

• Overpopulation, deforestation, and habitat fragmentation.

• Climate change, overpopulation, and pollution.

• Habitat destruction, pollution, climate change, overexploitation of resources, and invasive species.

How does extinction affect ecosystems?

• Extinction has no impact on ecosystems.

• Extinction disrupts the balance of species and their interactions, leading to the loss of ecological functions and services.

• Extinction increases the biodiversity of ecosystems.

• Extinction only affects individual species, not the entire ecosystem.

What factors can influence population changes?

• economic growth, education level, government policies

• climate change, technological advancements, war

• food availability, healthcare access, social factors

• birth rates, death rates, immigration, emigration, and natural disasters

How do human activities impact biodiversity?

• Human activities only impact biodiversity through pollution.

• Human activities have no impact on biodiversity.

• Human activities only impact biodiversity through deforestation.

• Human activities impact biodiversity through deforestation, pollution, overfishing, habitat destruction, and climate change.

What are some natural causes of population changes?

• birth rate, death rate, and migration

• natural disasters, government policies, and social factors

• economic growth, technological advancements, and urbanization

• disease outbreak, climate change, and war

Name one human activity that contributes to biodiversity loss.

• Urbanization

• Pollution

• Overfishing

• Deforestation

Explain the effects of extinction on an ecosystem.

• Extinction can disrupt the balance of the food chain, lead to the loss of ecological functions, and impact biodiversity and stability of the ecosystem.

• Extinction increases the stability of an ecosystem.

• Extinction only affects one species in an ecosystem.

• Extinction has no effect on an ecosystem.

What are some examples of factors that can influence population changes?

• food availability, healthcare access, social norms

• birth rates, death rates, migration, fertility rates, and government policies

• natural disasters, technological advancements, cultural practices

• climate change, economic conditions, education levels

Describe the relationship between human activities and biodiversity.

• Human activities have no impact on biodiversity.

• Human activities always have a positive impact on biodiversity.

• Human activities only negatively affect biodiversity.

• Human activities can both negatively and positively affect biodiversity.

How do natural causes such as climate change affect population changes?

• Population changes are not influenced by natural causes like climate change.

• Climate change has no impact on population changes.

• Climate change only affects animal populations, not human populations.

• Climate change can affect population changes by altering the availability of resources and causing habitat loss.