Movement of Carbon -Decomposition

Question 1

Define decomposition.

Answer 1

Physical, chemical and biological mechanisms that transform organic matter into stable forms.

Question 2

Name a physical mechanism.

Answer 2

Leaching.

Transport in water.

Question 3

Name a chemical mechanism.

Answer 3

Oxidation.

Condensation

Question 4

Name a biological mechanism.

Answer 4

Feeding.
Digestion.
Aided by catalytic effect of enzymes.

Question 5

What is the role of decomposers?

Answer 5

Break down cells and tissues in dead organisms into large biomolecules.
Break down large biomolecues into smaller biomolecules and individual atoms.

Question 6

What is decomposition so important?

Answer 6

Ensures carbon, hydrogen, oxygen and other elements are recycled in soil and made available for life.

Question 7

Give an example of the importance of decomposition.

Answer 7

Plant cannot make DNA without nitrogen, phosphorous and sulphur.
Plants cannot photosynthesis without oxygen, carbon and hydrogen.