Evolution

Which of the following statements best explains why some mosquitoes survived after the first spraying?

• Some mosquitoes had a genetic mutation that made them resistant to the insecticide
• A.  All mosquitoes had a genetic mutation that made them resistant to the insecticide
• A.  None of the mosquitoes had a genetic mutation that made them resistant to the pesticide

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Natural selection is the process by which

• change occurs in the genetic characteristics of individuals that live together in an environment from one generation to another
• organisms with traits well-suited to their environment reproduce at a greater rate than less well-adapted organisms in the same environment
• use and disuse of a characteristic leads to evolutionary change
• baseball players pass on the trait for strong arm muscles to children

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A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

• This is purely by chance and isn't significant
• The extinct dinosaur and modern bird share a common ancestor
• All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today
• Dinosaurs choose to fly, and evolved into birds to escape predation and capture food

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What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

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Term given to describe the 2 name naming system is:

• dichotmous key
• binomial nomenclature
• 2 scientific names
• binomial key

What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers 
• Genotypes 
• Their beaks
• Their body sizes

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Scientist find dinosaur fossils in the bottom of a cliff and mammals fossils in the middle layer, what can be inferred?

• dinosaurs ate plants
• dinosaurs were eaten by the mammals
• they lived at the same time
• dinosaurs lived before the mammals

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Change over time is

• evolution
• generation
• growth
• biogenesis

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Relative dating

• gives the exact age of rocks and fossils
• is when you date your cousin
• gives the approximate age of rocks
• tells us who to trust