Unit 7 Review

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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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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Where humans have bred organisms together based on traits we like.

• Evolution
• Natural Selection
• Extinction 
• Artificial Selection

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Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment

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Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

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Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

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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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Which of the following organisms the kingdom animalia are not closely related?

• mouse and hagfish
• mouse and lizard
• mouse and pigeon
• mouse and chimp

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Which of the following are examples of evidence for evolution?

• Fossils and Cellular Structure
• Biological Structures 
• Genetics/DNA
• All of the Above

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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?

• mammals lived before dinosaurs

• dinosaurs were eaten by the mammals

• they lived at the same time

• dinosaurs lived before the mammals