What would result for global climate from a massive drop in atmospheric carbon dioxide?
A. An increase in ocean temperature
B. Increased rock weathering
C. A decrease in surface temperature
D. Increased nitrogen availability
E. A decrease in free oxygen content
C. A decrease in surface temperature
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Egg cells were combined with this cell type to form the cloned sheep named Dolly.
A. skin cells B. sperm cells C. mucous membrane cells D. mammary cells E. ovarian cells
The BMI cutoff of ____ and above indicates obesity
a. 15 b. 20 c. 25 d. 30 e. 40
Inversions may be difficult to detect because they
A) never visibly change chromosome banding patterns. B) increase recombination in heterozygote’s. C) do not always cause an abnormal phenotype. D) normally are removed immediately in natural populations.
Earth is the warmest it has been for ____ years
a. 12 b. 120 c. 1200 d. 12, 000 e. 12, 000, 000