Ecology and Environmental Science Quiz

What is an ecosystem?

• A single species living in isolation

• A group of humans living in a city

• A non-living environment

• A community of plants and animals living in a certain area, dependent on each other

Which of the following is a biotic factor?

• Food

• pH levels

• Light intensity

• Temperature

What adaptation helps cacti survive in the desert?

• Thick fur

• Deep roots

• Large leaves

• Spines to prevent being eaten

What is the process called when carbon in fossil fuels is released into the air?

• Photosynthesis

• Sedimentation

• Respiration

• Combustion

What is the fancy word for rain in the water cycle?

• Transpiration

• Precipitation

• Condensation

• Evaporation

What role do microorganisms play in the ecosystem?

• They produce oxygen

• They break down organic matter

• They are top consumers

• They are primary producers

What is biodiversity?

• The range of plants and animals in an area

• The number of humans in a city

• The amount of water in a lake

• The temperature range in a desert

What is the process by which plants take up carbon dioxide from the air?

• Combustion

• Decomposition

• Respiration

• Photosynthesis

What happens to water when it evaporates?

• It rises and condenses

• It sinks

• It turns into ice

• It becomes more dense

What is the impact of introducing a new predator to a community?

• It can wipe out a community

• It can decrease the temperature

• It can increase biodiversity

• It has no impact