The productivity of aquatic ecosystem is basically determined by light and____________?
Correct answer: D. Nutrients
- A. CO2
- B. O2
- C. Water
- D. Nutrients
Explanation
Aquatic ecosystem productivity depends strongly on available light for photosynthesis and on nutrients such as nitrates and phosphates needed for algal and plant growth. Students may choose CO2 because it is a photosynthetic raw material, but nutrient availability is usually the major limiting factor after light penetration is considered.
Last updated
Related questions
Which property of water allows it to act as a temperature buffer for living cells?
Water is described as a universal solvent primarily because its molecules are
Water makes up approximately what proportion of the fresh mass of a typical living cell?
Sweating cools the body efficiently because water has a high
Ice floats on water, and this is biologically important because