A theory is:
a. a basis for further investigation.
b. an unproven proposition.
c. an educated opinion.
d. a statement about how things are related.
e. a hunch about how things are related.
d
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Sexual dimorphism:
a. refers to differences between the sexes with regard to features such as body size. b. is particularly pronounced in all primate species. c. is more common in arboreal species. d. has not been observed in any monkey species. e. refers to differences between adults and adolescents with regard to sexual behavior.
The first primates emerge around _____________ million years ago
Fill in the blank(s) with correct word
The domestication of plant species brought about a new type of subsistence called __________
Fill in the blank(s) with correct word
The most common ground-stone tools of the Mesolithic period are known as megaliths
Indicate whether the statement is true or false.