An ecologist does an experiment in a grassland. She has several plots of land with prairie plants on them. Each plot is either a control (nothing added) or one of the following nutrients was added (phosphorus, nitrogen, and sulfur). Over the following month the phosphorus and sulfur plots had primary productivity similar to the control plots while the plots with added nitrogen had significantly higher primary productivity. Based on this you can conclude that nitrogen is… Group of answer choices a. flowing b. fixed c. biologically magnified d. a limiting nutrient e. cycling
An ecologist does an experiment in a grassland. She has several plots of land with prairie plants on them. Each plot is either a control (nothing added) or one of the following nutrients was added (phosphorus, nitrogen, and sulfur). Over the following month the phosphorus and sulfur plots had primary productivity similar to the control plots while the plots with added nitrogen had significantly higher primary productivity. Based on this you can conclude that nitrogen is… Group of answer choices a. flowing b. fixed c. biologically magnified d. a limiting nutrient e. cycling
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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An ecologist does an experiment in a grassland. She has several plots of land with prairie plants on them. Each plot is either a control (nothing added) or one of the following nutrients was added (phosphorus, nitrogen, and sulfur). Over the following month the phosphorus and sulfur plots had primary productivity similar to the control plots while the plots with added nitrogen had significantly higher primary productivity. Based on this you can conclude that nitrogen is…
Group of answer choices
a. flowing
b. fixed
c. biologically magnified
d. a limiting nutrient
e. cycling
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