Evolution Cards Flashcards
1
Q
What is evolution?
A
Changes in species over time
2
Q
What is meant by ‘survival of the fittest’?
A
Individuals better suited to the environment survive and reproduce more successfully
3
Q
What did Charles Darwin notice on his visit to the Galapagos?
A
Species on different islands had different adaptations for different environments
4
Q
What is a vestigial organ?
A
An organ such as the human appendix, that is reduced in size and no longer has a function
5
Q
What is speciation?
A
The formation of a new species due to changes in populations
6
Q
What is reproductive isolation?
A
When members of a species can no longer interbreed
7
Q
What gasses were/are believed to be in the early earth atmosphere?
A
ammonia, hydrogen, water, and methane
