Origins of Life Flashcards
1
Q
All life on earth shares…
A
A common ancestor
2
Q
Where is life thought to have started
A
Life is thought to have started in the oceans, with all of the variety we see today evolved over millions of years to suit a huge range of habitats
3
Q
The first simple…
A
Life forms gradually evolved into more complex life forms
4
Q
The … survive changing conditions and the
A
Fittest … unfit did not and became extinct
5
Q
What are two main elements in evolution
A
Competition (survival of the fittest)
Variation (caused by mutations at a genetic level)
