Population- Evolution - Natural selection

This scientists published his theory of evolution by means of natural selection

• Gregor Mendel

• Charles Darwin
• James Hutton

• Albert Einstein

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Which of the following is not a principle of natural selection?

• Competition for resources

• Older organisms are more wise

• Variation via mutations

• Adaptations

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Individuals that are better able to cope with the challenges of their environment tend to  

• Decrease in population over time.
• Leave more offspring than those less suited to the environment.
• Leave fewer offspring than those less suited to the environment.

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This is one of the mechanisms of evolution; it occurs when individuals move into or out of a population, either by physically arriving or leaving, or by being born or dying

• Gene flow / genetic drift

• Founder effect

• Natural selection

• Microevolution

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This is one of the mechanisms of evolution; it is a continuous process in which organisms with traits that make them better-adapted to their environment are more likely to survive and reproduce than organisms without such adaptations

• Directional selection

• Microevolution

• Gene flow / genetic drift

• Natural selection

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Match the following terms and definitions

• Region where the life exist.

• Ecosystem

• formed by biotic and non biotic factors.

• Population

• group of organisms that can reproduce.

• Species

• formed by different populations.

• Biosphere

• All the individuals of one kind (one species) in a specified area at one time

• Community

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A single organism is called an ​ (a)   . When you have more than one of the same organism, they become a ​ (b)  

• individual
• population
• community
• organism

What can you tell about this country by looking at the population pyramid?

• Low Birth Rate

• Good Healthcare

• Many Job Opportuities

• Poor Country

• high birth rate

True or False: The United States has a high birth rate.

• True

• False

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Natural Selection is driven by a change in the environment and survival of the

• Earth

• Fastest

• Fittest

• Biggest

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