Evolution Review

The man who proposed the theory of natural selection and evolution.

• Thomas Moore
• Gregor Mendel
• Neil Degrasse Tyson
• Charles Darwin

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The theory that organisms best adapted to their environment are more likely to survive and reproduce.
"Survival of the fittest."

• Natural selection
• Adaptation
• Extinction
• Fossil

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What is the BEST definition for Evolution?

• Change
• Adaptation
• Nature's power
• Change over time

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On a farm, Marcia observes that individuals of a certain goat species have slightly different sizes and colors. What characteristic of populations is Marcia observing?

• adaption

• evolution

• selection

• variation

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What term refers to body parts that perform a similar function but differ in structure?

• analogous structures

• homologous structures

• pharyngeal pouches

• vestigial pelvis

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Which refers the process by which populations of organisms with variations that help them survive in their environments live longer, compete better, and reproduce more than those that do not have the variations?

• adaptation

• mimicry

• natural selection

• selective breeding

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The picture below shows the forelimbs of three different organisms: a bat, a bird, and a horse. All of these animals originally are descended from a common ancestor.

What is most likely responsible for the changes that occurred to form distinctly different organisms over millions of years?

• The organisms' environments changed, and natural selection diversified each species.

• The damage from basic injuries cause mutations to occur that passed onto offspring.

• The organisms created new traits and species through selective breeding.

• The introduction of humans allowed for artificial selection to take place.

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Rainfall in a tropical region has been below average for 10 consecutive years. Insect species adapted to dry conditions are much more plentiful at the end of the 10 years. Which of the following statements best explains the increase in the population of these insects?

• Biodiversity in the region has increased due to the dry conditions.

• Insects with a high tolerance for dry conditions have moved out of the region.

• Natural selection has favored insect species with high tolerance for dry conditions.

• Natural selection has selected against insect species that are adapted for dry conditions.

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According to the diagram, who is most closely related to primates? 

• Amphibians
• Rodents & Rabbits
• Crocodiles
• Sharks

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A chance occurrence that negatively affects a population because the population is small is 

• genetic drift
• mutation
• speciation
• migration

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