In the 1960's excessive amounts of plant Olivia D'Ambrogio @Saylor

Question 69 / 120: In the 1960's, excessive amounts of plant nutrients such as phosphorus were added to waterways around Lake Erie. Sources of the nutrients included agricultural fields, suburban lawns, and sewage. What is the result of the addition of nutrient inputs to freshwater and marine areas as a consequence of human activities as describe above?

A The addition ultimately increases biodiversity.

B The addition has minimum effects.

C The addition is ultimately beneficial to aquatic habitats.

D The addition causes algal blooms with can ultimately decrease biodiversity.

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Evolutionary Biology & Ecology BIO102

Author:

Dr.Olivia D'AmbrogioLecturer

Saylor.org

USA

Access: Public Instant Grading

Attribution: Olivia D'Ambrogio Introduction to Evolutionary Biology and Ecology. (The Saylor Academy 2014), http://www.saylor.org/courses/bio102/ (Accessed 16 May, 2014). License: Creative Commons BY-NC-ND

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