Evolution - Science Grade 8

What is the Law of Use and Disuse?

• also known as - "survival of the fittest"!

• movement of the continents relative to one another

• the parts of an organism's body that are used become more developed; parts that are not sued become smaller and may disappear

Who is Charles Darwin ?

• the ship that many scientists and naturalist traveled upon when making many discoveries about different species

• a famous naturalist who described Natural Selection as the mechanism behind evolution. He traveled around Southeast Asia only making many observations.

• a famous naturalist who was the FIRST to describe Natural Selection as the mechanism behind evolution, from his observations in the Galapagos.

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What is another word for Natural Selection?

• also known as phyletic gradualism

• also known as survival of the fittest

• also known as the Law of Use and Disuse

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What is Rock Strata?

• layers of rock, often sedimentary rock

• layers of fossils, often all types including trace fossils and preserved remains

• a period in Earth's history

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In evolution, what does the word fitness mean?

• the ability to workout and exercise without getting fatigued or tired

• the ability of an individual species to survive and reproduce

• the ability of a species to develop and grow a special characteristic or trait over generations

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Evolution was also called by Charles Darwin...

• The Law of Use and Disuse

• Phyletic Gradualism

• Descent with Modifications

The Origin of Species is...

• A book written and published by Charles Darwin, describing natural selection and descent with modification

• A scientific theory explaining that parts of an organism's body that is used will become more developed, parts that are not used may become smaller and disappear

• a description of how the physical world behaves

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What was the HMS Beagle?

• the famous ship on which Charles Darwin sailed around the world

• the famous dog which accompanied Charles Darwin on his voyage from 1831-1835

• the name of the book published by Alfred Wallace that described natural selection and evolution

What is adaptation?

• movement of continents relative to one another

• an inherited characteristic that increase an organism's chance of survival in its habitat - can be behavioral or physical

• the ability of an individual to survive and reproduce

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What is a Scientific Theory?

• an inherited characteristic that increase an organisms chance of survival in its habitat

• a descriptive generalization of how the physical world behaves

• a well-substantiated explanation that incorporates facts, laws, inferences, and tested hypothesis all together