Which is TRUE of succulent plants such as cacti or pineapple?
A. They are C3 plants.
B. They are highly efficient at photosynthesis in cooler and wet environments.
C. They tend to undergo substantial rates of photorespiration.
D. They produce 4-carbon malate in the first step of carbon fixation.
E. They continually produce sugar, both day and night under hot arid conditions.
D. They produce 4-carbon malate in the first step of carbon fixation.
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When a prey population dramatically decreases, the predator population will subsequently _______________
a. decrease, but very slowly over time b. decrease dramatically as well c. not change if it is a species with a long generation time d. increase
Based on figure 16.15, which of the following best explains why toxic shock syndrome peaked in the early 1980s?
a. Some strains of S. aureus developed resistance to methicillin. b. The drug methicillin was invented in the 1980s c. A single strain of S. aureus was responsible for the toxic shock syndrome, and women could not develop immunity to this strain d. Some strains of S. aureus were able to adapt to the new environment produced by ultra-high-absorbency tampons
Earth is tilted about how many degrees on its axis?
A. 8 B. 15 C. 23 D. 30 E. 38
The microbes used by fermentation industries are mutant strains that synthesize large quantities of the desired product.
Answer the following statement true (T) or false (F)