Over time, horses evolved to have longer legs. Why would this be needed?
run faster
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15
What is the difference in a theory and a fact?
A fact is 100% truth and a theory can be disproven. It is widely accepted and has evidence to support it.
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15
How can adaptations (differences) appear naturally? (Hint: sexual reproduction)
mutations in DNA during replication
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15
What is an important factor in the process of selective breeding (artificial selection)?
man choosing traits that are desired
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15
The theory of evolution states that any change in the _________ ___________ within a population occurs across generations.
heritable traits
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15
Darwin's Finches had noticeable differences. What were these differences in appearance and why did they evolve?
beak shape/size; food options available on that island
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15
Darwin's theory of evolution by means of natural selection states...
Parents pass their physical traits on to their offspring; those offspring with traits that help survival then reproduce and pass those traits on
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15
What caused the change in the Peppered Moths in New England?
Industrial Revolution- humans unintentional influence over natural selection
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15
True or False. Evolution can occur in an individual organism.
False
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15
Human often do not consider this when selectively breeding of animals.
the animals quality of life
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15
True or False. Once a certain trait becomes favored for survival, it is always beneficial in any environment?
False. An adaptation can be favorable in one type of environment and favored against in another. Ex: thick fur in cold climates would not be beneficial in heat
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15
The gorilla learning to communicate using sign language at a zoo. Is this an example of an evolutionary adaptation?