MEDIUM
Lower Secondary Stage 9
IMPORTANT
Earn 100

Give an example of variation within a species.

Important Questions on Variation and Inheritance

HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 10

Question Image

Look at figure 4.28, which shows plum trees growing in Taiwan. Give one characteristic of the trees caused by the environment, one characteristic caused by their genetic material and one characteristic caused by both the environment and the genetic material.

MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 11
What does inheritance mean?
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 11
Explain how a child could be born with attached earlobes like his father.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 12
What is selective breeding?
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 12
Explain how selective breeding could be used to breed rabbits with really fluffy ears.
HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 13
Why was Darwin's trip on HMS beagle very important in helping him develop his theory of natural selection?
HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 13
Suggest why Darwin's theory of natural selection was opposed when he announced it?
HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 4 - Variation and Inheritance>End of Chapter Review>Q 14
Question Image
Look at the figure given above. Use your knowledge of natural selection to explain the following situation. The number of red frogs (like the one in the middle of the picture) decreases in subsequent generations, to the point that there are none remaining in 50 years’ time.