The Development of Understanding of Genetics & Evolution (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Scientist who proposed evolution by natural selection
Scientist who proposed evolution by natural selection
Charles Darwin
Definition of fossils
Definition of fossils
Preserved remains/traces of organisms from millions of years ago
Where fossils are found
Where fossils are found
In layers of rock
What fossils provide about life on Earth
What fossils provide about life on Earth
Historical record of life on Earth
What fossil records show about species over time
What fossil records show about species over time
How species have gradually changed over time
What transitional forms illustrate
What transitional forms illustrate
The gradual process of evolution
What fossil records demonstrate about some species
What fossil records demonstrate about some species
The existence of species that are now extinct
What causes antibiotic resistance in bacteria
What causes antibiotic resistance in bacteria
Selective pressure from antibiotic use
What mutations in bacterial DNA can lead to
What mutations in bacterial DNA can lead to
Antibiotic resistance
What resistant bacteria do in presence of antibiotics
What resistant bacteria do in presence of antibiotics
Survive and reproduce
What happens to resistant strains over time
What happens to resistant strains over time
They become more common
What antibiotic resistance is an example of
What antibiotic resistance is an example of
Real-time natural selection
What antibiotic resistance demonstrates
What antibiotic resistance demonstrates
Evolutionary change in response to environmental pressures