MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain the role of decomposers in the carbon cycle.

Important Questions on Organisms and their Environment

HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 2
Explain the difference between each of the following pairs, giving examples where you can: Producer, consumer.
HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 2
Explain the difference between each of the following pairs, giving examples where you can: Primary consumer and secondary consumer.
HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 2
Explain the difference between each of the following pairs, giving examples where you can: Community and population.
HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 2
Explain the difference between each of the following pairs, giving examples where you can: Food chain and food web.
HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 2
Explain the difference between each of the following pairs, giving examples where you can: Pyramid of biomass and pyramid of numbers.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 3
Why do living organisms need nitrogen?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 3
 Explain why plants and animals cannot use the nitrogen in the air?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 20 - Organisms and their Environment>End-of-chapter questions>Q 3
What is nitrogen fixation?