Linnaeus's taxonomic system is referred to as a "hierarchy" because:
a. each species has a "higher level" genus and "lower level" species, and are placed within
additional higher level categories.
b. species are placed in a ranked list called the "Great Chain of Being."
c. humans are considered the most evolved species.
d. naming species officially requires approval of an appointed board of high-level experts.
a. each species has a "higher level" genus and "lower level" species, and are placed within
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Tatiana Zerjal and her colleagues found a group of men from Asia who shared a haplotype that they termed the __________ cluster
a. Mongol b. Genghis Khan c. star d. empire
Answer the following statements true (T) or false (F)
1. “Single-point perspective” is a system that assures that every seat in the audience shares a single effect of the scenery. 2. Movable scenery was demanded by neoclassical drama. 3. Movable scenery became a theatrical event in its own right.
Directional selection has eliminated sickle-cell anemia from all human populations, except those in regions where diabetes is endemic
Indicate whether the statement is true or false.
Polygynous marriage is very often beneficial for both men and women
a. True b. False