Evolution

Change over time is

• evolution
• generation
• growth
• biogenesis

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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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Surviving and reproducing show that an organism

• is adapting
• is not adapting
• is forming fossils
• is not reproducing

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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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Darwin's theory of evolution is supported by his idea on...

• natural selection and adaptation
• natural living animals like fossils
• chickens have the same amount of genes

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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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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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Structures that have the same evolutionary origin even though they may now have different structures or functions are said to be

• endemic
• homologous
• analogous
• genetic

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When wolves prey on deer, some of the deer are killed and some escape to reproduce. Which best describes this situation?

• Natural selection is random

• Groups of species do not change from generation to generation

• Organisms that are fit have the most offspring

• Organisms pass on acquired characteristics to the next generation

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