Which of the following is an example of how cultural change influences evolution?
A. Africans being carriers for sickle trait in
areas where malaria is present
B. Inuits in Greenland having a larger body,
reducing surface area to volume
C. people in the northern regions having less
pigmentation in order to obtain more vitamin
D
D. people becoming lactose tolerant in areas
where the domestication of cattle occurred
D
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The structure of a DNA molecule is analogous
to a
a. paper clip. b. ladder. c. fork. d. rope. e. coiled spring
What characterizes terrestrial tetrapods?
A) Lives on land, has four limbs B) Lives on land, has four sets of chromosomes C) Lives on land, has four cranial nerves D) Lives in the water, has four limbs
What specifically separates during meiosis II?
A) Homologous chromosomes B) Sister chromatids C) The cytoplasm D) The genome
The wavelength of light used plus the numerical aperture governs
A. size of the field. B. magnification. C. resolution. D. illumination. E. All of these choices are correct.