Environmental Science Quiz

What is the term for the surroundings in which an organism lives?

• Habitat

• Ecosystem

• Biodiversity

• Biosphere

Which of the following is NOT a natural ecosystem?

• Forest

• Aquarium

• Desert

• Ocean

Which gas is most abundant in Earth's atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

What is the primary source of energy for the Earth's environment?

• Fossil fuels

• Sunlight

• Geothermal heat

• Wind

Urbanization contributes the most to deforestation.

Coal is a non-renewable source of energy.

Ecosystem is the term for the variety of plant and animal life in a particular habitat.

Desert is a natural ecosystem.

What is the process by which plants convert sunlight into chemical energy?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

Which of the following is a biotic factor in an ecosystem?

• Soil

• Water

• Plants

• Temperature