There are ____ separate Hadley cells in which warm air rises and cools, then falls and heats up again in great rolling patterns.

a. six
b. four
c. two
d. eight
e. ten


Answer: a. six

Biology & Microbiology

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Tetrapods are most closely related to ____

a. lungfish b. ray-finned fish c. cartilaginous jawed fish d. cartilaginous jawless fish e. lancelets

Biology & Microbiology

Figure 2-1 represents:


a. two isotopes of the same element.
b. two different elements.
c. two different ions.
d. an acid and a base.
e. a cation and an anion.

Biology & Microbiology

Variations in rates of growth for different parts of the body are referred to as:

a. allometric growth patterns. b. adaptive growth patterns. c. allopatric growth patterns. d. allopolyploidy. e. preadaptations

Biology & Microbiology

What are the places in the cell cycle where proteins survey the cell to make sure that conditions for a favorable cell division have been met?

What will be an ideal response?

Biology & Microbiology