Humans have a brain size that is:
A. Twice as large as would be expected for a mammal of our size
B. Three times larger than would be expected for a mammal of our size
C. Twice as large as would be expected for a primate of our size
D. Three times larger than would be expected for a primate of our size
E. Six times larger than would be expected for a mammal of our size
Answer: D. Three times larger than would be expected for a primate of our size
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What is the name of the chromosomal region, located on region 21q22.2, that was identified by studying individuals with partial trisomy of chromosome 21?
What will be an ideal response?
Looking at the data in the figure above from the hare/lynx experiment, what conclusion can you draw?
I) Food is a factor in controlling hare population size. II) Excluding lynx is a factor in controlling hare population size. III) The effect of excluding predators and adding food in the same experiment is greater than the sum of excluding lynx alone plus adding food alone. A) only I B) only II C) only III D) only II and III E) I, II, and III