Question

1. Write a hypothesis describing what you believe
may be causing the heavy growth of algae in the
pond. Base your hypothesis on your observations
of the two ponds.

Answer 1

Answer:

The hypothesis is ''the higher population of algae in a pond has a direct relation on the higher concentration of nutrients in the pond''

Explanation:

''The higher population of algae in a pond has a direct relation on the higher concentration of nutrients in the pond''. The population of algae increases vigorously when there is high concentration of nutrients such as nitrogen and phosphorus in the pond. So if there are two ponds having different concentration of nutrients so the population of algae will be higher in that pond where nutrients are present in high amount.

Answer 2

My hypothesis about the heavy growth of algae in the pond is "The growth of algae in the pond is caused by fertilizers and urban runoff entering the pond"

• A hypothesis is a plausible explanation of some question of the real world that can be tested (either confirmed or rejected) by using the scientific method.

• The scientific method is a process that involves making experiments and/or observations to compile data capable of supporting the working hypothesis.

• In this case, it is possible to test my working hypothesis by measuring the concentration of nutrients (i.e., compounds rich in nitrogenous and phosphorous) associated with fertilizers and urban runoff in the pond that underwent a significant growth of algae and then statistically compare the nutrient level with those observed in ponds free of fertilizers and urban runoff.

In conclusion, a plausible explanation (i.e., a hypothesis) about the heavy growth of algae in the pond may be "The growth of algae in the pond is caused by fertilizers and urban runoff entering the pond"

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