Evolution Flashcards
(7 cards)
1
Q
What is the definition of “species”
A
A group of similar organisms that can successfully breed together to produce fertile offspring.
2
Q
What’s the definition of a “population”
A
A group of individuals of the same species in a particular habitat
3
Q
What is variation
A
The differences that exist between individuals in a population
4
Q
How is variation caused?
A
Environmental factors e.g. climate change.
Genetic- mutation of genes
5
Q
What are selection pressures?
A
Where an individual fails to reproduce because of predation, disease or competition.
6
Q
What drives evolution?
A
Natural selection
7
Q
What is selective advantage?
A
Organisms with variation means they have a increased chance of survival.
