What kind of movement of particles is able to move against normal concentration gradients?
a. Active transport
b. Diffusion
c. Osmosis
d. Dispersion
ANS: A
Active transport is able to reverse passive diffusion. It does require energy to perform because it is not
a passive process like diffusion. Information can be found in the section Environmental Factors
Influence the Success of Marine Organisms.
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Infant mortality refers to the number of deaths of children born alive before the age of
A. One B. two C. five D. ten
In what direction do the prevailing winds over the Atlantic Ocean appear
to be moving near ??° N latitude? What will be an ideal response?
What is the atomic number of the element produced when an element with atomic number Z undergoes electron capture?
A) Z __ 2 B) Z __ 1 C) Z + 1 D) Z + 2
The largest ocean is the Atlantic, which contains more than one-half of the earth's water.
Answer the following statement true (T) or false (F)