Evolution Flashcards
1
Q
What does evolution mean?
A
A gradual change over time
2
Q
Why will most organisms die before they reach adulthood?
A
Most will die because there are not enough resources (eg food and space) for them all
3
Q
What is the process where organisms on a island became so different that they couldn’t interbreed with other birds from another island which causes them had to become new species, called?
A
Speciation
4
Q
What is ‘Survival of the fittest’ or natural selection?
A
Individuals that happen to have variations that are better adapted will be more likely to survive and others will die.