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Question: Answered & Verified by Expert
The graph below shows the changes in two populations of herbivores in a grassy field. A possible reason for these changes is that
 

BiologyEcosystemNEET
Options:
  • A population B competed more successfully for food than population A did.
  • B all of the plant populations in this habitat decreased.
  • C population A consumed the members of population B.
  • D population A produced more offspring than population B did.
Solution:
1754 Upvotes Verified Answer
The correct answer is: population B competed more successfully for food than population A did.
If population B increased while population A decreased, these organisms were probably in competition for the same food (grass) and population B was better adapted. Hence population A is competitively being excluded from the population.

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