Which of the following biomes has the highest variation in annual temperature?
A) subtropical deserts
B) arctic tundra
C) temperate forests
D) temperate grasslands
E) boreal forests / taiga
Answer: E
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Which of the following is true of carbon?
A) It forms only polar molecules. B) It can form a maximum of three covalent bonds with other elements. C) It is highly electronegative. D) It can form both polar and nonpolar bonds.
Transfer of a functional domain from one gene to another, creating a novel protein, can occur by _______; this could provide an evolutionary advantage because
A. intron realignment; it shifts protein structure. B. intron shuffling; it increases genetic variation in a population. C. exon shuffling; it increases genetic variation in a population. D. proteomics; it shifts protein structure. E. both intron shuffling and proteomics; it shifts protein structure and increases genetic variation.
Which of the following is responsible for the storage of extra bile, used to aid in the digestion of fats?
A. gallbladder B. liver C. pancreas D. stomach E. small intestine
The study of the immune system is known as:
Fill in the blank(s) with the appropriate word(s)