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July 7, 2015

Homework Help: Science

Posted by MAcy on Tuesday, January 3, 2012 at 5:51pm.

This graph shows the changes in two populations of herbivores in a grassy field.

In the y axis it says number of organisms
in the x- axis it says Time

In the graph A is decreasing , B is increasing, At first they were steady then slightly A decreased and B increased .

A possible reason for these changes is that
(1) all of the plant populations in this habitat decreased
(2)population B competed more successfully for food than population A
(3) population A produced more offspring than population B
(4) population A consumed members of population B

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