Abiologist collected 1 gallon of pond water and counted 50 paramecium. based on the sampling technique, how many paramecium could be found in the pond if the pond were 20,000 gallons?

There are 1,000,000 paramecium in 20,000 gallons

Explanation:

This problem can be solved by a simple direct rule of three because as the number of gallons of water increases, so does the number of paramecium.

We have that each gallon of pond water has 50 paramecium. How many paramecium are there if there are 20,000 gallons. So

1 gallon - 50 paramecium

20,000 gallons = x paramecium

x = 20,000*50 = 1,000,000 paramecium

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explanation:

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.