Question

LS2-1 A student has two flasks of growing algae. To one flask they add some phosphorus, while leaving the other flask

alone. The student monitors population numbers of the algae daily for ten days. Based on the graph of the results,
what conclusion can be made about the algae population and phosphorus?
A) The phosphorous did not change the carrying capacity of the environment. B) The carrying capacity of the environment was fixed. C) The phosphorous decreased the carrying capacity of the environment. D) The phosphorous increased the carrying capacity of the environment.

Answer 1

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The Correct choice is D

As we can observe through the given graph, the algae population in the flask with phosphorus is increasing rapidly with respect to the algae population in flask without phosphorus, so we can conclude that :

The phosphorus increased the carrying capicity of the environment.