If rates of nitrogen fixation increased tenfold in aquatic ecosystems, would you expect a tenfold increase in primary productivity? no, because the increase in primary productivity would be greater than tenfold yes, because nitrogen is a limiting nutrient in aquatic ecosystems yes, because there is an abundance of dissolved carbon dioxide in aquatic ecosystems no, because there are other limiting nutrients in aquatic ecosystems besides nitrogen

Dna is always read in the whereas rna is read in .

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.