Interestingly, some of the physical markers that have led scientists to identify certain fossils as early hominins rather than apes are features that have been lost during subsequent human evolution. Which of the following is an example of this?
A. climbing ability
B. stereoscopic vision
C. chimplike tool use, such as termite capture
D. big back teeth
E. thin enamel on teeth
Answer: D
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Which subsistence farming technique has been used for centuries to clear fields for planting and to control invasive species?
a. plowing b. setting fire c. spraying with pesticides d. utilizing goats
A bone is considered platymeric if it is __________
a. extremely rounded b. flattened from side to side c. rounded only at the tips d. flattened from front to back
A third major extinction event is occurring now, and according to some scientists, it may have begun in the late Pleistocene or early
a. Holocene. b. Cambrian. c. Ordovician. d. Jurassic. e. Miocene.
Graphic representations of evolutionary relationships among animal species are called:
A. karyotypes B. allopatric trees C. phylogenetic trees D. none of these