Four of the five processes listed below occur when
the stomata are open. Select the exception.
a. ATP is used
b. potassium pump operates
c. active transport occurs
d. water is conserved
e. guard cells swell with water
Answer: d
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If it were found that all animals except the Parazoa had a particular set of genes, one could conclude:
A. that those genes are not useful in interpreting phylogeny B. that Darwin was incorrect in his idea about descent with modification C. that the Parazoa are not animals D. that those genes probably are related to the embryonic formation of tissues E. None of the other choices offered are realistic
Which gametes can a RrYy plant produce?
A. RY or ry B. R or r C. RY, Ry, rY, or ry D. RrYy E. Rr or Yy
Why are Africanized honeybees more dangerous than European honeybees? What will be an ideal response?
Each cell is able to maintain a constant internal
environment. This condition is called a. metabolism. b. homeostasis. c. physiology. d. adaptation. e. evolution.