Essential elements of Darwin's theory of evolution by natural selection include which of the following?
A. Individuals within a population vary.
B. While organisms are able to reproduce rapidly, resource growth is limited.
C. Individuals with favorable variations will be more likely to survive and reproduce.
D. All of these
D. All of these
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Researchers have recently sequenced the genetic identities of nine ancient fully modern H. sapiens from sites in Italy, France, the Czech Republic, and Russia. What did this research focus on?
a. the Y chromosome b. mtDNA c. the ABO blood groups d. the Y chromosome and the ABO blood groups e. only cranial remains
Dark-skinned people have more melanin-producing cells than those with light skin
a. True b. False Indicate whether the statement is true or false
The genus Homo is characterized by an increased cranial capacity and complexity of the brain
Indicate whether the statement is true or false.
Ethnocentrism is the tendency for:
a. Every society to view itself as superior to others. b. Every society to want to exploit the wealth of other societies. c. Every individual to consider him/herself the equal of others. d. Every individual to want to see another's point of view. e. Every society to value the group above the individual.