Dizygotic twins originate from two separate fertilization events
a. True
b. False
True
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Which molecule is the main structural component of biological membranes?
a. starch b. triglyceride c. protein d. phospholipid e. steroid
The only taxonomic category in which evolution can occur is the
a. genus. b. species. c. kingdom. d. family. e. class.
The deepest water of an ocean in deep-sea trenches and canyons is referred to as the hadalpelagic zone
Indicate whether the statement is true or false
During the summer of 2010, very large forest fires occurred in western Russia. At one point, the cloud of smoke spread over 1000 miles (approximately 1600 km), enveloping a number of cities. The smoke was thicker than any you would see in a tobacco
store! Based on the information in this chapter alone, why do you think the daily death rate due to heart disease in Moscow doubled during that time? What will be an ideal response?