Why did Trofim Lysenko's Soviet agricultural project fail?
a. He assumed that he could modify crops through artificial selection.
b. He assumed that exposing seeds to the cold would result in cold-resistant seeds.
c. He used methods developed from Darwinian evolution.
d. Soviet technology was not advanced enough for the project to succeed.
Correct Answer: b
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Toward the end of the Acheulian period, a technique was developed that enabled toolmakers to produce flake tools of a predetermined size. This was called the __________ method.
A) Levalloisian B) Oldowan C) Paleolithic D) Mousterian
In societies that contain many different ethnic groups, __________
A) ethnicity is part of the system of stratification B) all ethnic groups have equal access to resources C) the caste system prevents immigrant groups from achieving social mobility D) the largest ethnic group is always the most politically dominant one
The name most closely associated with the system traditionally used to classify living things is
A. Darwin B. Linnaeus C. Lyell D. Lamarck
All of the following are characteristics of music associated with stratified societies EXCEPT:
a. few instruments. b. elaborate, embellished songs. c. solo singing. d. nonrepetitous texts. e. narrow melodic intervals.