Why are we so unsure about the adaptations of the earliest primates?
A) The diversity of primates is too big to study the animals efficiently.
B) The animals were wiped out suddenly in an environmental catastrophe.
C) We still have very little fossil evidence of these animals.
D) The fossil remains are nearly identical to the skeletons of modern primates.
C) We still have very little fossil evidence of these animals.
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Which of the following is the name attributed to the 8,500-year-old skeleton found in Washington State in North America?
A. Xach'itee'aanenhT'eedeGaay B. Cro Magnon Man C. Kennewick Man D. "Clovis" E. Anzik Child
Hormones, antibodies, and hemoglobin are all __________
a. enzymes b. amino acids c. catalysts d. proteins
The adoption of social roles and behaviors normatively appropriate for the opposite biological sex from one's own is called:
a. gender identity. b. gender role. c. gender crossing. d. gender reversal.
Both the recognition species concept and the ecological species concept include natural selection as a factor in separating species from one another
a. True b. False Indicate whether the statement is true or false