You are monitoring a section of a creek that has recently been logged. What would you predict about the change in the average water temperature in that section?
A) It would evaporate completely.
B) It would stay the same.
C) It would decrease.
D) It would increase.
D
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Which term refers to a mixture of stomach juices and partially digested food?
a. chyme b. lipids c. bile d. pepsin
You have just graduated from college as a business major, but have a special interest in genetics, ever since taking introductory biology with the new Life curriculum. Therefore, you decide to manage a pet store where you can dabble in animal breeding experiments. Your first investigation is with one of your childhood favorites, the guinea pig. When you cross a black guinea pig with a white
guinea pig, three of the offspring are black and three are white. When you cross two of the black offspring you get six black and two white offspring. Which phenotype is most likely dominant? How do you know? What are the genotypes of the original parental guinea pigs? What will be an ideal response?
The mutation that causes the lighter skin color of all people of European descent was the result of a ____ in the gene
for a melanin transport protein.
a. base-pair substitution b. insertion c. deletion d. whole chromosome duplication e. multiple gene mutations involving several mechanisms
Gene flow is NOT a requirement of natural selection.
a. true b. false