Variation and Evolution (Lesson 2 Evolution through Natural Selection)
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What can Mutation lead to according to Natural Selection
Variation in the population of a species.
What ADVANTAGE can Mutation lead to according to Natural Selection
Helping it to survive in that environment and produce offspring with the same variation.
What does Evolution mean
Gradual Change overtime
1.What is Natural Selection • What can Natural Selection also be referred as
• Natural process where best adapted individuals survive and reproduce to pass on characteristics. • Survival of the fittest
What is the definition of an species
A group of similar organisms that reproduce to give fertile offspring
What is Speciation
Development of a new species. Occurs when populations of the same species become so different they cant breed no more.
What can lead to Speciation
Isolation and Natural Selection
What is isolation
Where the population of species are physically separated