What is the major function of the colon?
A. to churn food
B. to form feces
C. to digest/absorb
D. to eliminate iron
E. to serve as a passageway only
Answer: B
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If all conditions of Hardy–Weinberg equilibrium are met,
a. allele frequencies move closer to each generation. b. allele frequencies change in the direction predicted by natural selection. c. allele frequencies stay the same. d. all allele frequencies increase.
One technique for chromosome analysis is called ____________________, which uses chromosome-specific DNA
sequences attached to fluorescent dyes to target specific chromosomal regionsFill in the blank(s) with the appropriate word(s).
Which type of fish is more likely to live in an environment that has a lower osmolarity than that of its body fluids?
A) Brackish water fish (salt- and freshwater combined) B) Saltwater fish C) Freshwater fish
Which of the following statements is false regarding mammals?
A. Mammals’ lower jaw consists of a single bone. B. Mammals have distinctive skeletal and dental traits. C. The mammalian heart is three-chambered. D. Mammals are animals in which females nourish their offspring with milk that they secrete from mammary glands. E. Mammals also include the only animals that sweat.