Which of the following is NOT an example of how plant communities continue to support healthy ecosystems?
A) Forests support the water cycle, through evaporation returning water to the atmosphere.
B) Leafy trees provide shade, thereby reducing temperatures.
C) Plant roots stabilize soil and prevent erosion.
D) Plants increase levels of CO2, by releasing CO2 as a by-product of photosynthesis.
E) Plants prevent flooding by absorbing water through their extensive root systems.
D
You might also like to view...
_______ is the use of a gene sequence to synthesize a functional protein
A. Loss-of-function mutation B. Gene expression C. The human genome project D. Proteonomics E. None of these
Sometimes the immune system overreacts from exposure to a normally harmless substance such as cat hair. Subsequent exposure to this allergen elicits a massive inflammatory response
Because the chemical histamine is the cause of this inflammation, what cell type is most likely behind the problem? A) neutrophils B) basophils C) lymphocytes D) monocytes
Which of the following requires eIFs for initiation?
A) prokaryotic translation B) chaperonin activity C) eukaryotic translation D) eukaryotic transcription E) post-translational modification
One benefit of transpiration is that it:
a. concentrates nutrients in plant leaves. b. distributes nutrients throughout the plant. c. moves water from the atmosphere to the plant. d. is responsible for warming plants. e. brings in water from the soil.