Unit 2.1 Introduction to Evolution

What does evolution mean?

• Humans come from monkeys

• Species change and adapt over time

• If an organism doesn't use it, they'll lose it

• Only the most fit survivie

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The gradual change in species over time is...

• Evolution
• Natural Selection

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How do scientists study the evolution of species?

• By studying fossils, DNA, and living organisms in the wild

• By conducting laboratory experiments and simulations

• By observing natural phenomena, such as the development of drug resistance in bacteria

• All of the above

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What is the difference between microevolution and macroevolution?

• The time scale over which they occur

• The size of the organisms involved

• The type of genetic changes that occur

• The geographical location where they take place

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What is the main idea behind the theory of evolution?

• Evolution is a debate that cannot be resolved

• Organisms adapt to their environment as it changes

• All species are unrelated and randomly created

• Life originated from multiple sources and evolved independently

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Type of evolution that occurs on a larger scale:

• Macroevolution
• Microevolution

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Type of evolution that occurs on a small scale:

• Macroevolution
• Microevolution

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Which of the following statements is NOT part of the cell theory?

• Cells are the basic unit of structure and function in all living things.

• All cells are produced from other cells.

• Only animal cells are composed of cells.

• All living things are composed of cells.

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Complete the Cell Theory statement. All cells come from ...

• atoms

• spontaneous generation

• nothing

• pre-existing cells

What does LUCA stand for?

• Last Universal Common Ancestor

• Last Universal Created Animal

• Lengthy Uniform Cohesive Antiparallel

• Last Uniform Created Analogies