Human impact on the environment

What are the components of an ecosystem?

• Animals, plants, water, rocks, soil, sand, bacteria, fungus, insects
• Animals, plants, water, rocks, soil, sand
• Animals, plants, water, rocks, soil, sand, bacteria, fungus, insects, birds
• Animals, plants, water, rocks

Which of the following is an example of an endangered species?

• Lion
• Tiger
• Elephant
• Orangutan

Why is it important to meet the needs of organisms in an ecosystem?

• To keep the ecosystem clean
• To prevent pollution
• To increase biodiversity
• To ensure the survival of organisms

Which of the following is an example of a disruption to ecosystem balance caused by humans?

• Seasonal migration
• Deforestation
• Volcanic eruption
• Rainfall

What is an example of a human activity that negatively impacts the environment?

• Overpopulation
• Extinct animals
• Plants and animals
• Weather variations

What does the term 'endangered' mean?

• Living things that are in danger of not existing anymore
• Living things that are in danger of migration
• Living things that are in danger of becoming extinct
• Living things that are in danger of overpopulation

Which of the following is an example of a human activity that negatively impacts the environment?

• Burning fossil fuels
• Conserving water
• Recycling
• Planting trees

How can a species become endangered?

• By overpopulation
• By habitat destruction
• By migration
• By seasonal changes

What is an example of a disruption to ecosystem balance caused by humans?

• Climate change
• Extinction of species
• Weather variations
• Hunting

What does it mean for a species to be endangered?

• It is at risk of extinction
• It is protected by law
• It is extinct
• It is overpopulated