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Questions (7)
Imagine you are a scientist observing rats in the wild. As rats reproduce, rats born with white fur slowly begin to outnumber
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After a bottleneck event, the population of rabbits in an area has significantly decreased. A decade later, the population of
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A drought hits the habitat of a semi aquatic bird population, all ponds dry up and fish populations decline. There are two
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Natural Selection Unit Test: Unit 6 Lesson 12!
1. A drought hits the habitat of a semi aquatic bird population, all ponds dry up
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Circle Graphs Quick Check: Unit 9 Lesson 7
Favorite Sport _______________________________________________________________________
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Which statment is accurate about natural selection?
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Natural selection causes changes in________
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Answers (13)
Which action an example of genetic modification ( creating GMOs)? A. Making crops that are resistant to pesticides and insects B. Raising animals via animal husbandry for food purposes C. Breeding dogs for specific traits like size, coat color, and
In a population of birds, brightly colored males and very dull male survive best. Which type of selection is this, and what is most likely true about the proportion of males of intermediate coloring? A. Directional; males of intermediate coloring make up a
What change is observed in a distribution curve for a trait affected by directional selection? A. It shifts to the left. B. It shifts to the right C. It shifts to the right and to the left. D. It shifts either to the right or to the left.
Facts or data are types of_____ A. Evidence. B. Models. C. Explanations. D. Reasoning.
Why is the cheetah gene pool small today? A. Multiple bottleneck events B. Lack if advantageous traits C. Poor adaptability D. Inbreeding in zoos
There are two varieties in a population of squirrels: short tails and long tails. Long-tailed squirrels are better at jumping and balancing on trees. Scientists observe that over the span of 100 years, the proportion of the population with long tails
How did the Industrial Revolution impact the population of peppered moths in Britain? A. The light-colored moths became more common. B. The dark-colored moths became more common. C. The Industrial Revolution caused the proportions of each color morph in
Consider the following scenario: In a muddy lake environment, some fish have brown scales. Most fish, however have silver scales. Predators have a harder time seeing the fish with brown scales. A. Predominant phenotype B. Inactivated gene C. New mutation
Which statement is accurate about variations? A. In all cases, variations affect how likely it is that an organism reproduces. B. In all cases, variations become more common in a population. C. Organisms with variations that give an advantage are more
Nia wants to make a line plot to match the data in her histogram. Which of the following features is true of her line plot? A. The line plot will have no data points for 7.0-8.5 hours. B. The line plot will have the number of students as the label for the
Compare the stem-and-leaf plot to the histogram. Which data display can you use to see how many students took the test? A. Neither of the data displays B. Both data displays C. Stem-and-leaf plot only D. Histogram only
Compare the stem-and-leaf plot to histogram. Which data display can you use to list individual test scores? A. Histogram only B. Both data displays C. Stem-and-leaf plot only D. Neither data display
A produce market tracked their top six selling items and graphed the results in a circle graph. The market found that a total of 3,200 of these six items were sold. How many oranges were sold? A. A total of 500 oranges were sold. B. A total of 600 oranges
