Every time a source of energy is converted from one form to another:
a) the potential energy of the system increases.
b) heat is required.
c) the second law of thermodynamics is violated.
d) some of the energy is converted to heat, which is not a very usable form of kinetic energy.
e) the total amount of energy in the universe is reduced by a tiny amount.
Ans: b) heat is required.
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A heterozygous female harboring one mutant allele for hemophilia is called a ____ for that trait
Fill in the blank with the appropriate word.
How much of Europe’s population was wiped
out by the Black Death?
a. 1/2 b. 1/3 c. 1/4 d. 1/5 e. 1/6
When reduction in population size is severe, it is known as _______.
A. fixed B. founder effect C. adaptive radiation D. bottleneck E. gene flow
You wish to determine which organs function to remove waste products from the hemolymph (blood) of an insect. You do so by injecting a suspension of particulate dye particles into the abdominal cavity of an anesthetized cricket. Where will you find these dye particles 45 minutes later, after you euthanize and dissect the cricket?
A. in the antennal glands B. in the urinary bladder C. in the nephrons of the kidneys D. in the Malpighian tubules E. in the nephridia F. in the protonephridia