Table 4Gross productivity(mg/L/hr)Net productivity(mg/L/hr)Test tube% Light2.381.52100%-1.412|-2.28-3.62- 3.89-3.96365%25%.174-0.95-.1710%6.2%LO 3. What effect did light have on the primary productivity? Explain.4. Refer to your graph of productivity and light intensity. At what light intensity do you expectthere to be no net productivity? no gross productivity?5. How would turbidity affect the primary productivity of a pond?

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What effect did light have on the primary productivity? Explain.

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Concept explainers

Modes of Nutrition

It is a biological process of providing or obtaining food that is necessary for growth and health. It includes many physiological processes - absorption, ingestion, assimilation, catabolism, excretion, etc. In biology, the science that deals with nutrition's physiological and chemical processes are called "nutritional science."

Question

Table 4
Gross productivity
(mg/L/hr)
Net productivity
(mg/L/hr)
Test tube
% Light
2.38
1.52
100%
-1.41
2
|
-2.28
-3.62
- 3.89
-3.96
3
65%
25%
.17
4
-0.95
-.17
10%
6.
2%
LO

3. What effect did light have on the primary productivity? Explain.
4. Refer to your graph of productivity and light intensity. At what light intensity do you expect
there to be no net productivity? no gross productivity?
5. How would turbidity affect the primary productivity of a pond?

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