Ardipithecus ramidus and Ardipithecus kadabba have defied expectations about early hominins because __________
a. both lived in densely forested environments
b. each shows evidence of a highly developed bipedal physiology
c. both are far larger than typical Miocene primates
d. neither shows evidence for increased cranial capacity
Answer a
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The primate eye is an important feature of the order. Describe some of the features of the primate eye and parts of the skull that support the eye. What role does vision play in primate activities?
What will be an ideal response?
Hominin emergence is characterized by the simultaneous appearance of bipedalism, toolmaking behavior, and a large brain
a. True b. False Indicate whether the statement is true or false
According to Stephen Jay Gould, what key fact, ignored by Morton, skewered the reliability of his claims about race, skulls, and brain size?
a) Morton never defined what he meant by “black” skulls. b) Morton never actually measured skulls. c) Morton ignored the fact that brain size in linked to body size, and that male skulls are on average larger than female skulls. d) Morton ignored the fact that people with more varied diets tend to have both larger bodies and skulls, and hence brains.
Sex cells make copies of themselves through a process in which daughter cells retain only a single set of chromosomes. This process is called
A. mitosis B. sexual transmission C. natural selection D. meiosis