Which of the following statements best describes insect species as a group?
a. They have backbones.
b. About two million species have been identified by scientists.
c. They are resistant to extinction.
d. They have skin or integument similar to mammals.
e. They do not spread human diseases.
C
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Which statement describes turbidites?
A) They are graded layers of terrigenous sand mixed with finer pelagic sediments. B) They are propelled into position by gravity rather than water currents. C) They are composed of distinct layers that represent various turbidity current events. D) All of these choices are true about turbidites.
When it is summer in the Northern Hemisphere, Earth is tilted
A. so that the North Pole tilts away from the Sun. B. so that the North Pole tilts toward the Sun. C. so that the South Pole tilts toward the Sun. D. so that the North Pole and South Pole are equidistant from the Sun.
Thomas Malthus
A) advocated a high birth rate to offset the high death rate of his day. B) predicted a grim view of the future due to overpopulation. C) argued for a high birth rate in order to have a large work force. D) is known as a cornucopian.
Why did South Asians migrate to Fiji?
A) They had committed crimes in India, and came as prisoners. B) They came to fill labor shortages in the sugarcane fields C) They came to colonize Fiji. D) They were fleeing civil war in India. E) They came as a result of a government policy in India to relieve overcrowding.