
Evolution Intro and Natural Selection
Presentation
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Biology
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9th Grade
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Practice Problem
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Easy
+5
Standards-aligned
Gerald Mabele
Used 65+ times
FREE Resource
68 Slides • 12 Questions
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Multiple Choice
Which moth was better suited to the environment in the year 1830?
Black moth (Melanic form)
White moth (peppered form)
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Multiple Choice
Which moth population was increasing at the start of the industrial revolution?
Black moth (Melanic form)
White moth (peppered form)
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Multiple Choice
Which moth was better suited to the environment in the year 1950?
Black moth (Melanic form)
White moth (peppered form)
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Multiple Choice
Why did the melanic form (black phenotype) of peppered moth decrease in frequency after the industrial revolution?
A mutation occurred that turned them white reducing the melanic form (black moth) population.
Less soot and smog on trees which meant they could be seen easily by the predator.
There was more soot and smog which meant they could more easily camouflage hence reducing the numbers of individuals that were counted.
Both the melanic form and white form of peppered moth remained the same in frequency over time.
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Multiple Choice
What molecule stores genetic information?
Carbohydrates like sucrose
Proteins like enzymes
Nucleic acids like DNA
Lipids like blubber
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Multiple Choice
What condition is essential for natural selection to result in new species (speciation)?
unlimited resources
an inherited variation
a static/unchanging environment
a long lifespan
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Draw
Where is the leopard? Draw a circle where you spot it!
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Multiple Choice
Genetic variation can aid in the survival of a species when the environment changes. Which of the following is the best example of an organism with the genetic variation that can improve survival chances over time?
An ant that is resistant to pesticide.
A wasp that is infected with parasites.
A cactus that has no spines.
A mouse that has learned to avoid mousetraps.
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Multiple Choice
Look at the picture. Note the color of the beetle in the bird's mouth. Which result is most likely to occur to the beetle population due to predation over time?
The number of light-colored beetles in the population will increase.
There will be more dark-colored beetles than light-colored beetles.
The number of light-colored beetles will decrease.
The dark-colored beetles will move to a different type of tree.
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Poll
Which of these bears would be better adapted to a FOREST environment?
White bear
Brown bear
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Poll
Which of these bears would be better adapted to a ARCTIC environment?
White bear
Brown bear
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Poll
Since females often like large showy features like big antlers and bright colors, do you think sexual selection works with adaptation to increase survivability or reduce survivability?
increases ability to survive longer.
decreases ability to survive.
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