Natural Selection and Evolution - Part 5 (Week 9)

Question 1

What is the summary of natural selection?

Answer 1

1. Individuals with certain heritable traits survive + reproduce at a higher rate than other individuals
2. It is increases the match between organisms + their environment overtime
3. If an environment changes over time, natural selection may result in adaption to these new conditions + may give rise to new species

Question 2

What are some aspects to note with natural selection?

Answer 2

1. Individuals do not evolve - but populations do over time
2. Natural Selection can only increase/decrease heritable traits that vary in a population
3. Adaptions vary with different environments