Lesson 2 - Natural Selection And Evolution

Question 1

What assumptions did Darwin make?

Answer 1

1.Offspring may vary
2. Some variation is heritable
3. Populations do not generally increase in size
4. More offspring are born than can survive

Question 2

What inferences did Darwin make? (NATURAL SELECTION)

Answer 2

1. Individuals of the same species will compete
2. The survivors will pass on their ‘favourable’ traits to the next generation
3. Over time there will be more traits from the survivors in the population