Unit 4 Test Flashcardizz Review: Nutrient Cycling, Soil and Water

Front

What is the bottom layer of the soil?

Back

Bedrock

Front

Animals inhale oxygen and exhale what gas?

Back

Carbon Dioxide (CO₂)

Front

Water underground is stored in what geological formation?

Back

Aquifers

Front

Approximately what percent of Earth's water is freshwater?

Back

3%.

Front

What is the process called when water droplets form on the outside of a cool glass?

Back

Condensation

Front

Define nutrient cycling.

Back

The process by which nutrients are exchanged between the living and non-living parts of the environment.

Front

What is the role of soil in nutrient cycling?

Back

Soil acts as a reservoir for nutrients, supporting plant growth and facilitating the transfer of nutrients through the ecosystem.

Front

What is the difference between topsoil and subsoil?

Back

Topsoil is the uppermost layer of soil, rich in organic matter, while subsoil is the layer beneath it, containing minerals and less organic material.

Front

What is transpiration in the water cycle?

Back

Transpiration is the process by which water is absorbed by plant roots and released as vapor through pores in leaves.

Front

What is the significance of aquifers?

Back

Aquifers are crucial for storing freshwater and providing water for drinking, irrigation, and industrial use.