Paper 2 H - SAMPLE SET 1 Q1 Answers
Charles Darwin proposed the theory of natural selection.
Many people at the time did not accept his theory.
1.1) There was a different theory at the same time as Darwin’s theory.
The different theory said that changes in an organism during its life could be inherited.
Who proposed this theory? [1 mark]
1.2) Studying fossils helps scientists understand how living things have evolved.
Figure 1 shows a fossilised snake.
Many people at the time did not accept his theory.
1.1) There was a different theory at the same time as Darwin’s theory.
The different theory said that changes in an organism during its life could be inherited.
Who proposed this theory? [1 mark]
1.2) Studying fossils helps scientists understand how living things have evolved.
Figure 1 shows a fossilised snake.
Explain how the fossil in Figure 1 may have formed. [3 marks]
There are many types of rat snake in the world.
Table 1 shows two types of rat snake
There are many types of rat snake in the world.
Table 1 shows two types of rat snake
1.3) The different types of rat snake have evolved from similar ancestors.
The rat snakes have evolved to suit their environments.
Explain how the Japanese rat snake evolved to be different from the Texas rat snake. [4 marks]
1.4) Many species of snake have become extinct.
Give one reason why a species might become extinct. [1 mark]
(Total for Question 1 = 9 marks)
The rat snakes have evolved to suit their environments.
Explain how the Japanese rat snake evolved to be different from the Texas rat snake. [4 marks]
1.4) Many species of snake have become extinct.
Give one reason why a species might become extinct. [1 mark]
(Total for Question 1 = 9 marks)