Settlers to the United States found between
____ and ____ passenger pigeons. They are
extinct today.
a. 15,000?25,000
b. 3?5 billion
c. 50?100 million
d. none; they are native to Europe
e. none of these
B
You might also like to view...
The first phase of labor is contractions
Indicate whether the statement is true or false
The spontaneous formation of organic molecules does not happen today because they are
A. consumed by organisms or oxidized to simpler inorganic compounds in the atmosphere. B. destroyed by the increase in harmful radiation coming through holes in the ozone layer. C. unable to form because of a lack of sufficient internal energy. D. photosynthesis is all that is required.
At approximately what age is the maximal level of bone mineralization reached?
A. 45-50 B. 30-40 C. 15-18 D. 20-30
Which of the following pathways are operational in a cell growing via fermentation?
A) glycolysis, intermediate step, and the Krebs cycle B) glycolysis and intermediate step only C) glycolysis D) intermediate step E) Krebs cycle