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Biosphere: Understanding the Concept

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Questions and Answers

What is the meaning of the prefix 'bio' in the word 'biosphere'?

related to the air

related to life (correct)

related to the Earth

related to the water

What is the biosphere?

a small system that sustains life

a sphere where life on Earth is not possible

a single layer where life on Earth is possible

a group of spheres or layers where life on Earth is possible (correct)

What is the lithosphere?

the living organisms on Earth

the atmosphere around us

soil and rocks on the Earth's crust and sea bottom (correct)

the water on Earth

Where is life found in the biosphere?

everywhere on Earth, including the ground, rocks, water, and air Signup and view all the answers

What is the main characteristic of the biosphere?

it is a very big system Signup and view all the answers

What is the study of living organisms called?

biology Signup and view all the answers

What is the shape of the Earth?

a sphere Signup and view all the answers

What are the components of the biosphere?

water, soil, rocks, and air Signup and view all the answers

Where does life occur on Earth?

everywhere, from the highest mountains to the deepest oceans Signup and view all the answers

What is the relationship between the different parts of the biosphere?

they are connected and work together to sustain life Signup and view all the answers

Study Notes

What Is The Biosphere?

The biosphere is a group of spheres or layers where life on Earth is possible.
The term 'biosphere' combines 'bio' (meaning life) and 'sphere' (meaning a round object).
The biosphere is the place where life occurs on planet Earth, encompassing the entire planet.

Components Of The Biosphere

The biosphere consists of multiple spheres or layers, including the lithosphere, atmosphere, and hydrosphere.
The lithosphere refers to the soil and rocks on the earth's crust and sea bottom.
The atmosphere is composed of layers of different gases that surround Earth.
The hydrosphere includes all the water on Earth, such as oceans, lakes, rivers, and underground water.

Characteristics Of The Biosphere

The biosphere contains living organisms, including plants, animals, and microorganisms.
Microorganisms are simple, unicellular organisms that are too small to be seen with the human eye, requiring a microscope to observe.
The biosphere also includes dead organic matter.