Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Variation and Inheritance, Exercise 4: Exercise 4
Aiden Gill Science Solutions for Exercise - Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Variation and Inheritance, Exercise 4: Exercise 4
Attempt the practice questions on Chapter 4: Variation and Inheritance, Exercise 4: Exercise 4 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 9: Workbook solutions are prepared by Experienced Embibe Experts.
Questions from Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Variation and Inheritance, Exercise 4: Exercise 4 with Hints & Solutions
Charles Darwin caught different types of finches on the Galápagos Islands in the Pacific Ocean. He brought them back to London where they were analysed by John Gould. Each species had a different type of beak. The diagram shows two of these finches. Complete the table to show:
- The letter of the finch best suited to each type of food.
- An explanation of how the beak is adapted to the food.
| Finch | Main food source | Explanation |
| Nectar from inside flowers | ||
| Seeds that need to be crushed |
Describe one similarity and one difference between selective breeding and natural selection.
Lemmings are furry rodents naturally found in the Arctic tundra. In a population of lemmings was taken from the Arctic to an area with a warmer climate. The lemmings were left to live and reproduce in the new area. The population of lemmings was revisited years later. Some information about the lemmings is shown in the table:
| Year | Average fur length of lemming(mm) |
