A polytypic species
a. is one that has no phenotypic variability
b. has never been observed in nature
c. is one composed of local populations that differ from one another with regard to the expression of no more than three traits
d. is one composed of local populations that differ from one another with regard to the expression of one or more traits
e. is composed of widely dispersed populations
d
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The earliest members of the hominin lineage, dating back to 7-5 m.y. a. regularly manufactures stone tools
Indicate whether the statement is true or false
A scientist is carefully excavating a newly discovered fossil hominin. Which subfield of biological anthropology does she belong to?
a. osteology b. paleoanthropology c. paleopathology d. ethnography
Gelada social organization is quite complex and consists of a number of social units including the harem, all-male group, band, and herd. What is the composition of structure of these groups and how are they related to one another?
What will be an ideal response?
Which of the following is an example of a multicellular organism?
a. bacteria b. protozoa c. worms d. archaea