Environmental Science Quiz

What is mutualism?

• One species benefits and the other does not care

• Both species benefit each other

• Neither species benefits

• One species benefits and the other is harmed

Which zone is characterized by no photosynthesis, colder temperatures, and less oxygen?

• Littoral zone

• Limnetic zone

• Profundal zone

• Benthic zone

What does the 10% Rule in ecology state?

• 10% of sunlight is converted to chemical energy

• Only 10% of energy is transferred up the energy pyramid

• 10% of water is retained in each trophic level

• 90% of nutrients are recycled within the ecosystem

Where are deserts typically found?

• At latitudes around 30° north and south of the equator

• At any latitude

• Near the poles

• At latitudes between 50° and 60° north of the equator

What is the primary process occurring in the limnetic zone of a lake?

• Respiration

• Photosynthesis

• Decomposition

• Sedimentation

Which forest type is found at latitudes between 30° and 60° north and south of the equator?

• Temperate forest

• Tropical rainforest

• Coniferous forest

• Scrub lands

What is the main characteristic of the aphotic zones?

• High oxygen levels

• No sunlight

• Abundant sunlight

• High nutrient levels

What is the primary function of wetlands?

• Increase biodiversity

• Reduce flooding and filter pollutants

• Provide habitat for aquatic life

• All of the above

What is the main outcome of eutrophication?

• Enhanced fish populations

• Rapid growth of algae and disruption of photosynthesis in other plants

• Decreased algae growth

• Increased water clarity

What is the primary source of carbon in the carbon cycle?

• Fossil fuels

• Photosynthesis

• Decomposition

• Respiration