Dated to approximately 500,000-400,000 years ago, the site of _______ has yielded a sample of 4,000 fossil fragments representing about 28 premodern Homo sapiens individuals, more than 80% of all Middle Pleistocene hominin remains in the world
a. Sima de los Huesos
b. Swanscombe
c. Ehringsdorf
d. Steinheim
e. Petralona
a
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What is an extensive outbreak of disease affecting large numbers of people over a wide area called?
a. pandemic b. epidemic c. vector d. endemic e. pathogen
Virunga National Park is a United Nations World Heritage site
a. True b. False Indicate whether the statement is true or false
Two people (both heterozygotes) are able to taste a chemical substance called PTC. The ability to taste PTC is caused by a dominant allele (T). The inability to taste PTC is caused by a recessive allele (t). What proportion of their children would be expected to have the ability to taste PTC?
a. ?1/2 b. ?All c. ?2/3 d. ?3/4 e. ?1/4
Many postcolonial countries, especially in Africa, formed when
A. indigenous tribes united to overthrow colonial powers and found their own countries. B. colonial powers lumped and separated indigenous groups into arbitrary countries. C. war between eastern and western Africa eventually divided the continent into countries. D. colonial powers tried to form countries based on keeping indigenous people of the same culture together in the same country. E. None of these answers is correct.