1. Tardigrade
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  3. Biology
  4. The following graph depicts changes in two populations (A and B) of herbivores in a grassy field. A possible reason for these changes is that Bask in sun when temperature is low.

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Q. The following graph depicts changes in two populations (A and B) of herbivores in a grassy field. A possible reason for these changes is that Bask in sun when temperature is low.Biology Question Image

AIPMTAIPMT 2015Organisms and Populations

Solution:

Both the populations are herbivorous, thus they cannot each other. If the food sources for these populations A and B have decreased, then both the populations A and B would have declined. If population A have produced more offspring then the graph A should have increased. Based on the graph. Population B is more successful in competing with population A, that is why number of organisms in population B increased while that in population A decreased, as they get access to limited resources.