Midterm Ecology 4th grade

What is the difference between nature and environment?

• Nature and environment are the same thing
• Nature includes artificial things and environment does not
• Environment includes artificial things and nature does not

What is an ecosystem?

• Everything around you

• A bubble of life

• Living things only

Select the problems of an imbalanced ecosystem

• Habitat loss
• Deforestation
• Animals existing in harmony
• Climate change

What are biotic factors?

• Living things
• Non living things

Select the biotic factors

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What are abiotic factors?

• Living things
• Non living things

Select the abiotic factors

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Select the 3 types of ecosystems?

• Forest, wetland and marine

• Terrestrial, marine and mixed

• Terrestrial, aquatic and mixed

Select the TERRESTRIAL ecosystems

• Grassland
• Tundra
• Desert
• Forest
• Marine

Select the AQUATIC ecosystems

• Marine
• Freshwater
• Grassland
• Tundra
• Wetland