Considering Food Webs in the Konza Prairie of Kansas, an Ecologist

Multiple Choice

Considering food webs in the Konza Prairie of Kansas, an ecologist predicted that in food webs with odd numbers of levels (three or five, for example) , grazers would be limited by predators, and plants would thrive (that is, there would be high levels of primary production) .Conversely, for food webs with even numbers (two or four, for example) , he predicted that grazers would be limited by food, and the landscape would have less plant abundance.If this is correct, the highest NPP would likely be found in a food web having how many levels?

A) Two only
B) Three only
C) Four only
D) Two or four
E) Three or five