The rapid increase in the population of Canada geese in the United States can be primarily attributed to ____
a. an increase of crop predation
b. a decrease in avian diseases
c. the suspension of hunting geese for many years
d. an increase in wetlands
e. an increase in the number of nonmigratory geese
ANSWER: e
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What is an adaptation?
A. A specialized feature B. The accumulation of favorable traits over time C. The result of natural selection D. All of the above are correct
. coli strains toxic to humans live in the intestine of ____ without sickening them
I. birds and frogs II. goats and sheep III. cattle and deer
a. I only b. I and II c. II and III d. I and III e. I, II, III
The Law of Thermodynamics that states that energy cannot be created or destroyed is:
A. The Fourth Law of Thermodynamics B. The Second Law of Thermodynamics C. The First Law of Thermodynamics D. The Third Law of Thermodynamics
Yeast cells are frequently used as hosts for cloning because they _____
A) easily form colonies B) can remove exons from mRNA C) do not have plasmids D) are eukaryotic cells