Q1.3. The graphs below represent algae abundance in a limiting-nutrient experime

Question

Q1.3. The graphs below represent algae abundance in a limiting-nutrient experiment. Based on the graphs, which nutrients are limiting the growth of algal species A and B in the experiment? (Hint: Recall what a graph of population size vs. nutrient input should look like-straight or sloped if the nutrient is limiting and also if it is not limiting.) 1001 E - Algae A Algae B Population size . 86 Population size Nitrogen input (relative to original input) Phosphorus input (relative to original input) O Algae A is limited by nitrogen and Algae B is limited by phosphorus. O Algae A is not limited by either nutrient and Algae B is limited by phosphorus. O Algae A is limited by phosphorus and Algae B is not limited by either nutrient. O Algae A is not limited by either nutrient and Algae B is limited by nitrogen.

Explanation / Answer

This graph is indicating that algae A is not limited by the growth of any nutrients but algae B is limited by the growth of phosphorus as it occur in very less amount in river and other water bodies.

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