Which theory of water transport states that hydrogen
bonding allows water molecules to maintain a
continuous fluid column as water is pulled from roots
to leaves?
a. pressure flow
b. evaporation-condensation
c. cohesion-tension
d. osmotic pressure
e. bulk flow
Answer: c
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Carl Woese was an important figure in microbial classification and changed our understanding of the evolution and diversity of life. What breakthrough did he make that allowed us to infer evolutionary relationships between organisms?
What assumptions was his breakthrough based on? What will be an ideal response?
The Abuja family had 10 children by 1950, but because of ill health, there is now only one surviving grandchild. The Bacchus family had three children in 1950 and now has six grandchildren. Which statement about these families is correct?
A) The Abuja family had greater gene flow. B) The Abuja family had more gene drift. C) The Bacchus family exhibits the bottleneck effect. D) The Bacchus family has greater fitness.
For the following, select the choice that correctly describes each mating system of animals. One male mating with one female is ________; one male mating with more than one female is ________; one female mating with more than one male is ________.
A. polygyny; polyandry; monogamy B. monogamy; polyandry; polygyny C. monogamy; polygyny; polyandry D. polyandry; polygyny; monogamy
Plaque and tartar provide an environment for the growth of (Lactobacillus/Porphyromonas/Streptococcus) leading to periodontitis
What will be an ideal response?