Front

What is the biosphere?

Back

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

Front

Why is the biosphere important?

Back

It supports all life on Earth, regulates the climate, and provides essential resources for human survival.

Front

What are biotic factors?

Back

Biotic factors are living components of an ecosystem, such as bacteria, animals, plants, and fungi.

Front

What are abiotic factors?

Back

Abiotic factors are non-living components of an ecosystem, such as rocks, water, and air.

Front

Name three major components of the biosphere.

Back

Plants, animals, and microorganisms.

Front

What is the hydrosphere?

Back

The hydrosphere includes all the water on Earth, such as oceans, rivers, lakes, and groundwater.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding the Earth, essential for life and weather.

Front

How do the biosphere and hydrosphere interact?

Back

The biosphere relies on the hydrosphere for water, which is essential for all living organisms.

Front

What role do microorganisms play in the biosphere?

Back

Microorganisms decompose organic matter, recycle nutrients, and support the food web.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.