Environmental Science Final Exam Review

Front

Which sphere are humans a part of?

Back

Biosphere: The biosphere is the global sum of all ecosystems, where life exists, including land, water, and the atmosphere.

Front

What happens during the transitional stage of the demographic transition?

Back

During the transitional stage, death rates fall due to improvements in healthcare and sanitation, while birth rates remain high, leading to population growth.

Front

What type of soil is best for raising healthy crops?

Back

Loamy, clumpy soil with a neutral pH and a dark color is ideal for healthy crops as it retains moisture and nutrients.

Front

What is nonpoint-source pollution?

Back

Nonpoint-source pollution refers to contaminants that come from multiple, diffuse sources, such as rain washing salt off the road.

Front

What does biodegradable mean?

Back

Biodegradable items decompose or break down naturally through the action of living organisms, such as bacteria.

Front

Define geosphere.

Back

The geosphere is the solid part of the Earth, including rocks, soil, and landforms.

Front

What is the hydrosphere?

Back

The hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, and groundwater.

Front

Explain the concept of ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment, including both biotic and abiotic factors.

Front

What is the significance of biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, and it is crucial for ecosystem resilience and stability.

Front

What are renewable resources?

Back

Renewable resources are natural resources that can be replenished naturally over time, such as solar energy, wind, and biomass.