A hard porous test (shell) is characteristic of which protist group?
a. Rhizarians
b. Forams
c. Cercozoans
d. Euglenozoans
e. Choanoflagellates
Answer: b. Forams
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Caenorhabditis elegans is an organism with exactly 959 somatic cells. This organism is a(n)
A. fruit fly. B. earthworm. C. nematode. D. angiosperm. E. fungus.
In science, graphs are often used to display data collected from an experiment. Which one of the following is TRUE regarding a graph?
A) Most graphs are plotted on three axes. B) The dependent variable is plotted on the y-axis. C) Independent variables are generally not included on a graph. D) The horizontal axis is known as the ordinate. E) Graphs always involve plots of individual data points.
If the genetic code were read in groups of two bases, how many different codons would be possible? (Enter your answer as a numeral not a word, e.g. enter 5 not "five".)
Fill in the blank(s) with the appropriate word(s).
Which of these factors result(s) in the emergence of new pathogens?
a. human behavior b. economic development c. international travel d. all of the above