Question 15 5 points geographic isolation could

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Question 15 (5 points) Geographic isolation could result from ____________. Question 15 options: an earthquake a fire an ice age
all of the above a hurricane Save Question 16 (5 points) The graph shows of the bacteria H. pylori evolved a resistance to antibiotics over a period of 20 years. Resistance evolved most for the antibiotic __________________. (if you are unable to view this graphic, please use a different browser - not internet explorer)
Save Question 17 (5 points) Biomedical researchers study species as disparate as worms, fruit flies, mice, zebrafish, or rhesus monkeys to understand our genes, and even our diseases. Why?
Save Question 18 (5 points)
The 1977 drought was followed by a significant increase in the proportion of medium ground finches with large bills. Based on the graphs, the mean (average) beak depth size approximately changed __________________.
Question 19 (5 points) Mendel discovered that whether his peas were yellow or green is determined by a single gene in which yellow (Y) is dominant over green (y). Assuming low selective pressure, what does the Hardy-Weinberg Equilibrium frequency term 2pq represent in the peas? Question 19 options: heterozygous, Yy homozygous recessive, yy homozygous dominant, YY
Save Question 20 (5 points)
After the 1977 drought, the main finding about the medium ground finches on Daphne Major Island was that __________________.

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