EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

Give two biotic and two abiotic factors that could cause a decrease in the population of clover plants growing in a farmer's field.

Important Questions on Ecology

EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 10>Q 2
Give three biotic factors that could affect the population size of butterflies living in a rainforest. 
 
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 10>Q 2
Give three abiotic factors that could affect the population size of butterflies living in a rainforest.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 12>Q 3
Write a food chain for organisms that live in your country. Describe and explain how the populations of a predator and a prey in your food chain change over time.
HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 13>Q 4
Give three factors that may cause extinctions.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 13>Q 5
Research and name one organism that has become extinct. Explain what cause this.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 15>Q 1
Explain why an increase in the human population increases the demand for land.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 15>Q 2
Give three ways in which humans use natural resources.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 3 - Ecology>Exercise 16>Q 3
Explain why deforestation is necessary.