Nutrient flow in an ecosystem is ________

A) bi-directional
B) cyclical
C) semi-conservative
D) top down
E) unidirectional


B

Environmental & Atmospheric Sciences

You might also like to view...

For a given latitude, if the stated time of sunset is 6:45 p.m. at 90° W, what is the time of sunset at 91° W?

What will be an ideal response?

Environmental & Atmospheric Sciences

New lithosphere is formed at

A. spreading centers. B. transform plate boundaries. C. ocean trenches. D. convergent plate boundaries.

Environmental & Atmospheric Sciences

The Humid Subtropical climates (Cfa)

A) have a pronounced dry season during the summer. B) have a pronounced dry season during the winter. C) are wet year-round and are generally located on the east side of continents. D) are wet year-round and are generally located on the west side of continents.

Environmental & Atmospheric Sciences

The distinctive character of wine is derived from the vineyard's ________. The production of wine is based principally on ________, not on location

A) terroir, price B) age, economic reasons C) variety, yield D) terroir, cultural values E) location, cultural values

Environmental & Atmospheric Sciences