Unit 6 Evolution Review

Ostrich wings are examples of

• homologous structures
• vestigial structures
• adaptations
• traits

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Dolphins have the same arm structure as wolfs, what type of evidence for evolution does this represent?

• DNA
• vestigial structures
• homologous structures
• embryology

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What is embryology?

• the age of organisms
• the oldest stage of development
• the life span of an organism
• the earliest growth stage of development

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Change over time is

• evolution
• generation
• growth
• biogenesis

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What animal is Darwin known for studying?

• dinosaurs
• tunicates
• finches
• horses

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Natural selection is

• survival of the fittest
• humans change
• two species are the same
• more animals survive

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This makes an organism more suited to its enviornment

• species
• lifespan
• adaptation
• mutation

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Who was Charles Darwin?

• A naturalist who came up with the theory of evolution
• A scientist who studied plants
• A geologist who looked at rocks and fossils
• A paleontologist who studied dinosaurs

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Which of the following is a fossil?

• a plant that has recently died
• a group of organisms that can reproduce
• a structure or organ that no longer functions
• a trace of an organisms that existed in the past

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Mutations are important because they bring about

• death of the organism in which they develop
• genetic variation needed for a population to evolve
• benefits for the individual, not for the population
• Hardey-Weinberg equilibrium within a population

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