Select ALL the correct answers.
Some individuals of a particular species of sea bird underwent a genetic mutation that resulted in larger beaks. The larger size of beaks helped
these birds to break open dams and other mollusks for food. It also helped them defend themselves against predators. After many generations,
almost all of the birds in the population had big beaks. For which two reasons did this phenomenon occur?
A. natural selection
B. mechanical Isolation
C. prezygotic barriers to reproduction
D. high genetic variation in the species
Answers: 2
Biology, 21.06.2019 20:00
Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle
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How will you manage your time to accomplish the necessary tasks both on the job and at home?
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If you want to double a batch of brownies you must have double the ingredients before you start cooking similarity a cell must double its contents including its dna prior to dividing
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What is an example of a scientific question that galileo could not have answered with out this new tool?
Answers: 2
Select ALL the correct answers.
Some individuals of a particular species of sea bird underwent a ge...
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