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Evolution and Environment
According to Darwin's theory of evolution, how do new species evolve?
By artificial selection
By natural selection
By unnatural selection
Which individuals are most likely to survive to reproduce?
Individuals that are well suited to their environment
Individuals that are poorly suited to their environment
Individuals that have no immunity to new diseases
What is likely to happen to an individual that is poorly suited to its environment?
It will not survive to reproduce.
It will survive and produce lots of successful offspring.
It will become extinct.
What sort of variation is inherited?
Variation is not inherited
Why do we have a good evolutionary record of the horse?
Lots of people like riding horses.
Horses have evolved from a small dog-sized creature.
The fossil record of the ancestors of the horse is complete.
Why are white peppered moths likely to be more common than black ones in country areas?
White peppered moths show up more clearly on clean birch bark.
Black peppered moths show up more clearly on sooty birch bark.
White peppered moths are more difficult for birds to see on clean birch bark.
Which of the following is not likely to cause a species to become extinct?
A new disease
A new predator
A new food source