Natural Selection Quiz

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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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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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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Any change in an organism that allows it to survive and reproduce more effectively in its environment

• natural selection

• adaptation

• evolution

• population

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What is natural selection?

• Sharp reduction in population size due to an environmental disaster, often results in loss of variation

• When individuals survive and reproduce at a higher rate than others in the same population due to some environmental pressure

• Process by which populations have become adapted to their environment over time

• Specialized structures and behaviors that aid in survival

What are adaptations?

• Sharp reduction in population size due to an environmental disaster, often results in loss of variation

• When individuals survive and reproduce at a higher rate than others in the same population

• Process by which populations have become adapted to their environment over time

• Specialized structures and behaviors that benefit the organism and aid in survival

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If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative
• early ancestor
• unrelated organism
• embryological stage

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On the cladogram, which organism is the closest relative of the human?

• Frog
• Hare
• Caiman
• Parrot

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Individuals that are well adapted to their environment will survive and produce:

• Fewer mutations
• Stronger genes
• More offspring
• Better traits

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On this map there are many different geographical barriers, which could be mountains, rivers, or oceans. Animals that do not have a barrier between them have more similarities, which set shows that common ancestry existed?

• 1 and 2
• 3 and 4
• 7 and 8

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