The Biosphere

Question 1

Ecology

Answer 1

The study of interactions of living organisms with one another and their non-living environment.

Question 2

Biosphere

Answer 2

The biosphere is a narrow zone of the earth where land, water, air interact with each other to support life, it includes the lithosphere, hydrosphere and atmosphere.

Question 3

Hydrosphere

Answer 3

All the salt and freshwater areas of the Earth.

Question 4

Lithosphere

Answer 4

Rigid outer part of the Earth, the crust and mantle.

Question 5

Atmoshpere

Answer 5

Envelope of gases around the Earth.

Question 6

Ecosystem

Answer 6

Group of living things that interact with the physical environment.

Question 7

-sphere

Answer 7

An area of activity, interest, or expertise; a section of society or an aspect of life distinguished and unified by a particular characteristic.

Question 8

Disturbance

Answer 8

The interruption of a settled and peaceful condition, a state in which normal functioning is disrupted.

Question 9

Deforestation

Answer 9

The decrease in forest areas across the world that are lost for other uses such as agricultural croplands, urbanization, or mining activities.

Question 10

Soil erosion

Answer 10

The action of surface processes that removes soil, rock, or dissolved material from one location on the Earth’s crust, to another.

Question 11

Carbon dioxide

Answer 11

A chemical compound made of one carbon and two oxygen atoms, it is a colourless and odorless gas, and naturally present in the air, it is absorbed by plants during photosyntheis.