Evolution (paper1) Flashcards
Define evolution
The gradual change in characteristics of a species over time
What did most Europeans think in the 17th century
That humans weren’t animals
What did Carl Linnaeus use to name species
A binomial system, which used 2 Latin words
Why do fossils not show smooth changes
As some fossils have not been discovered yet
How do scientists work out the ages of stone tools
They work out the ages of different layers of rock and assume that it’s the same age as that layer of rock
What were stone tools used for
Helping with cutting meat and skinning animals
Define genetic variation
Characteristics of an individual vary
Define natural selection
Variations of an individual make them better suited to survive
What is resistance
When a random genetic variation occurs and the organism is unaffected by something
What are humans becoming resistant to
Antibiotics
What’s a pentadactyl limb
A limb with 5 fingers that vertebrates have
What are the 5 kingdoms
Animals,plants,fungi,protists, prokaryotes
What kingdom is split into 3 domains
Prokaryotes
What are the 3 domains
Archaea bacteria and eukarya
