Evolution Review

What does it mean to be fit?

• being able to live a long time

• being able to have a bunch of babies

• being able to out compete your neighbors

• being able to live a long time AND have more babies

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What changes first?

• organism

• environment

what is an acquired trait

• something you gain within your life time

• something you are born with

which of the following is an example of an acquired trait

• your height

• your basketball skill

• the size of your feet

• eye color

Who developed the theory of acquired traits leading to evolution

• Wallace

• LaMarck

• Darwin

What did Darwin notice about the finches in the galapagos islands?

• they were all related because they had the same grandma

• they gained their special different beaks throughout their lifetime due to the environment they were in

• they all must have a common ancestor because they were similar in features with only their beaks being different

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Where does variation come from

• mutation

• choice

• time

• environment

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how does variation lead to natural selection?

• some organisms are different so they live in different areas

• within a population, some organisms have different traits these traits ONLY help them have babies

• within a population some organisms have different traits, these traits help them to out-compete, live longer, and have more babies

• variation leads to different genes in a gene pool so birth defects are less likely

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which of the following is NOT a type of adaptation?

• psychological

• behavioral

• physiological

• anatomical

When does a mutation/variation become an adaptation?

• they don't variations are different than adaptation

• when the organism decides it is worth passing on to offpsring

• when the mutation leads to the organism's fitness improving

• when the variation leads to the organism gaining higher rank in the population

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