Question 1
(1) Figure 1 shows forelimbs of three animals. These forelimbs are known as homologous structures.
(i) State the process in nature, which gave rise to the homologous structures in Figure 1. [1 mark]
(ii) State one difference in the structure of the forelimb of the whale and the crocodile and explain their function [2 marks]

| | Structure | Function |
| --- | --- | --- |
| Whale | | |
| Crocodile | | |
(i) State the process in nature, which gave rise to the homologous structures in Figure 1. [1 mark]
(ii) State one difference in the structure of the forelimb of the whale and the crocodile and explain their function [2 marks]

| | Structure | Function |
| --- | --- | --- |
| Whale | | |
| Crocodile | | |