Why does total biomass (graph e in the figure above) not vary with AMF diversity?
A) Plant growth is unaffected by fungal diversity.
B) Most of the plants in this system do not form mycorrhizal associations.
C) Bromus erectus is the dominant plant species.
D) Lotus corniculatus is a rare species.
Answer: C
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What is the genetic material found in HIV?
A. RNA B. protein C. carbohydrate D. lipid E. DNA
You live at the base of a mountain where there is a tropical forest. As you travel up the mountain you would expect
A. the kinds of plants and animals to be similar at the base and top of the mountain. B. the forest will change into a grassland. C. to see organisms similar to those found in more northerly climates. D. to find desert.
Jacobsen syndrome, which can cause heart defects, intellectual deficiencies, and bleeding disorders, is caused by a deletion of the terminal end of chromosome 11. What method could you use to determine whether an individual has Jacobsen syndrome?
A) Look at a person's skin cells in G1 under a light microscope. B) Perform a karyotype using a person's white blood cells. C) Place a person's red blood cells in culture to see if they grow. D) Count the number of chromosomes present.
Which of the following statements about members of the Kingdom Plantae is FALSE?
A) They are multicellular. B) They are composed of eukaryotic cells. C) They undergo photosynthesis. D) They use organic carbon sources. E) They synthesize organic molecules.