Chromosome number for a species is 34. When a cell divides by mitosis, the daughter cells have how many
chromosomes?
a. 17
b. 34
c. 51
d. 68
e. 119
ANSWER: b
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In the experiment above, guppy color patterns (spots) were measured in populations exposed to increasing amounts of predation. From this you could conclude that ____ .
A. evolutionary changes take millions of years to appear
B. predators are less likely to catch and eat brightly colored guppies
C. predators are more likely to catch and eat brightly colored guppies
D. brightly colored guppies are more likely to reproduce in the presence of predators
E. predators do not affect the color patterns of guppies
Which portion of the brain has shown the most dramatic changes in size in the evolution of birds and mammals?
A. hindbrain B. midbrain C. forebrain D. cerebellum E. medulla oblongata
External economies are typically found in rural areas
Indicate whether this statement is true or false.
Which of the following is not one of the four phases of sexual response?
a. orgasm b. stimulation c. resolution d. plateau e. sexual excitement