Which of the Following Ecosystems Would Likely Have a Larger

question 24

Multiple Choice

Which of the following ecosystems would likely have a larger net primary productivity/hectare and why?

• A) open ocean because of the total biomass of photosynthetic autotrophs
• B) grassland because of the small standing crop biomass that results from consumption by herbivores and rapid decomposition
• C) tropical rain forest because of the massive standing crop biomass and species diversity
• D) cave due to the lack of photosynthetic autotrophs
• E) tundra because of the incredibly rapid period of growth during the summer season