The first vertebrates appear in the fossil record during the
a. Pleistocene.
b. Paleozoic.
c. Paleocene.
d. Mesozoic.
e. Cenozoic
B
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Which one of the following was not a consequence of outside development in the Guaraní tropical forests, according to Reed?
a. The Indians who stayed on the land could no longer farm. b. The Guaraní could no longer practice successful horticulture. c. Disease and malnutrition increased. d. The Indians could no longer hunt and fish successfully.
The DNA base adenine always pairs with which other DNA base?
a. Thymine b. Cytosine c. Uracil d. Guanine e. Mitochondria
At least ________ of the vervet monkey's alarm calls are considered symbolic
a. 3 b. 2 c. 5 d. 6
In __________,“dowry death” is a phenomenon in which young brides are murdered so that the family may seek remarriage, and another dowry, for their son
a. Saudi Arabia b. India c. Malaysia d. Uganda