Vocabulary
Survival of the fittest
What is Natural Selection?
Who is the scientist who had the idea of Natural Selection?
Who is Charles Darwin?
Adenine, Cytosine, Guanine and Thymine
What are the bases of DNA?
The study of the similarities and differences in the structure of organisms
What is comparative anatomy?
When did the first traces of life on Earth first appear?
3500 million years ago
The total range of organisms in a particular habitat
What is biodiversity?
A change in the DNA sequence
What is a mutation?
The ability of an organism to successfully reproduce
What is Fitness?
True or False....
Only mutations that occur in reproductive cells contribute to evolution
TRUE
Fossils have been found on continents that are separated by water masses
What is geographical distribution?
What part of the body do cats, humans, whales and bats all share in common?
What is a forelimb/forearm?
A diagram representing the evolution of life over millions of years
What is a geographical time scale?
Changes that occur to suit the environment
What is an adaptation?
The reason white peppered moths turned black
What is the Industrial Revolution?
This is the most like outcome when a random mutation occurs during an animal's life
What is "no effect"
What is comparative embryology?
Cows that are bred to have double muscle
What is artificial selection (selective breeding)?
When a species no longer exists
What is extinction?
Organisms change over long periods of time
What is evolution?
This is needed in order for fitter organisms to survive
What is competition?
Mutations in gene pools increase this
What is biodiversity?
Remains of organisms that provide evidence of changes in species
What is the fossil record?
The wings in bats, birds and butterflies are an example of these
What is an analogous structure?
Featherless chickens are an example of this
What is artificial selection (selective breeding)?
The genetic makeup of any species
What is a gene pool?
There needs to be a limited number of these for evolution to occur due to Natural Selection
What is a resource?
Mutations that occur in these cells drive evolution
What are gametes?
This is the most powerful piece of evidence of evolution. Organisms with the most similar in this are closely related
What is DNA?
Darwin's theory of evolution requires certain conditions to be met. What are these?
Diversity in the species
Limited resources/competition
Some offspring will die
Favourable traits are passed on to future generations
Microbes becoming resistant to antibiotics ("superbugs") is an example of......
What is Natural Selection?