The Biosphere

Question 1

Ecology

Answer 1

Ecology is the study of the relationships between living organisms,and their physical environment.

Question 2

Biosphere

Answer 2

The biosphere is the worldwide sum of all the ecosystems consisting of living and non living organisms.

Question 3

Hydrosphere

Answer 3

The hydrosphere is the combined mass of the water found on the surface of the planet,underground and in the air. A hydrosphere can be liquid, vapour, or ice.

Question 4

Lithosphere

Answer 4

The lithosphere is the rocky outer part of Earth, made up of the earths crust and the top part of the upper mantle.

Question 5

Atmosphere

Answer 5

This is a set of layers of gases surrounding Earth and is held in place by gravity of the Earth and consists of mainly nitrogen,argon,oxygen and carbon dioxide.

Question 6

Ecosystem

Answer 6

A geographic area where plants,animals,and other organisms,as well as weather and landscape work together to form life. They contain living and non-living parts.

Question 7

-sphere

Answer 7

An area of activity, 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.

Question 9

Deforestation

Answer 9

The removal of a forest from land that is then converted to non-forest use.

Question 10

Soil erosion

Answer 10

The wearing away of topsoil by the natural physical forces of water and wind or through forces associated with farming activities.

Question 11

Carbon Dioxide

Answer 11

Carbon dioxide is a colourless gas and a chemical compound consisting of one carbon and two oxygen atoms and is present in the earths atmosphere.