MEDIUM
Lower Secondary Stage 9
IMPORTANT
Earn 100

Draw and label a food chain for the following information.
Water fleas eat algae(small green producers) in the water. Small stickleback fleas eat water fleas, and they are eaten by a large fish called pike.

Important Questions on Ecology

EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 9
 Name a type of organism that breaksdown dead organisms and their wastes.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 10
Describe three problems that are caused by an increase in the human population.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 11
Give three physical adaptations of a blue whale that allow them to survive in the ocean.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 11
Suggest why migration helps the blue whale to survive and reproduce.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 12
List two things that a competitor might compete for and the possible outcomes.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 13
An increased human population is leading to an increased pollution.
Give three different environments on the earth that humans are polluting.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 13
 Explain how you could tell if a freshwater stream was polluted.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>End of Chapter Review>Q 14
Explain three harmful effects of burning fossil fuels.