7th Grade Mod. D Unit 1 Lesson 3 Review

Fossils can be used to

• identify past environments

• identify past geologic events

• identify past climates

• all of the above

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Finding fossils of coral along a highway is evidence that

• the road was once underwater

• coral used to live on land

• in the past, the area was underwater

• coral was used to build the road

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Chicks and humans both have gill slits during development. What does this tell us about chicks and humans?

• Their embryos use gills to breathe during development.

• They both evolved from a common ancestor who had gills.

• Chicks are able to breathe underwater.

• They evolved from different ancestors.

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Which statement can be best supported by the pictures of the embryos.

• Chickens are more closely related to tortoises than rabbits are.

• Rabbits, chickens, tortoises, and fish are all equally related to each another.

• Fish do NOT share a common ancestor with other vertebrates.

• Fish and chicken are the least closely related.

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Which statement best describes the process of evolution?

• Populations can survive in different locations on earth
• Environmental conditions limit the number of species on Earth
• Populations grow when resources are abundant
• The traits of a species can change over time

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Kangaroos and opossums both incubate their immature in pouches. This means they -

• share a common ancestor
• possess vestigial organs
• have similar skeleltal structures
• belong to the same species

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According to evolutionary theory, all living things have a common

• Purpose

• Function

• Ancestor

• Phone Number

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According to evolutionary theory, similar DNA would mean a common

• Ancestor

• Environment

• Interest

• Residency

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The similarities among early stages of the embryos provide evidence that -

• these organisms evolved from a common ancestor
• the organisms all retained their gills and tails
• the organisms belong to the same species

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What is a characteristic that helps an organism survive and reproduce in its environment? 

• Selective Breeding 
• Adaptation 
• Evolution 
• Fossils 

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