Identify three important trends in early hominin evolution, and describe the anatomical changes associated with each.
What will be an ideal response?
1. Increasing brain size, both absolutely and relatively
2. Change in pelvis shape and bigger infant heads
3. Reduced teeth and jaw muscles, with flatter face
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In a study of the differences between populations of humans, Richard Lewontin found that the total amount of genetic variation between groups is:
a. 37%. b. 23%. c. 14%. d. 11%. e. 7%.
Using Mendel's pea plants as an example, describe three ways in which natural selection affects the distribution of traits.
What will be an ideal response?
A way of speaking that is characteristic of a group of people is called:
a. dialect. b. accent. c. clicks. d. creoles.
Franz Boas called for an end to "armchair anthropology," insisting that scholars must do rigorous, scientifically based fieldwork to collect basic ethnographic data
Indicate whether the statement is true or false.