Which of the following determine the amount of phytoplanktons in the ocean waters 1 T...........

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Which of the following determine the amount of phytoplanktons in the ocean waters?

1. The ocean currents

2. The temperature and salinity

3. The depth of ocean waters

4. Length of day and night

Select the correct answer by using the code given below:

1, 2 and 3

1 and 3 only

2 and 4 only

1, 2, 3 and 4

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Explanation:

All the statements are correct.
The ocean currents, temperature and salinity, the depth of ocean waters and length of day and night determine the amount of phytoplanktons in the ocean waters.
Phytoplankton, also known as microalgae, are similar to terrestrial plants in that they contain chlorophyll and require sunlight in order to live and grow. Most phytoplankton are buoyant and float in the upper part of the ocean, where sunlight penetrates the water.