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Question

Civil war in Mozambique lead to the the destruction of large mammals in Gorongosa National Park. With the large mammals disappearing, the smaller mammals, especially the herbivores also disappeared. What can you infer from it?
  1. All of the above
  2. The killing of the large mammals destroyed the habitat for smaller mammals
  3. When one part of the community in an ecosystem is destroyed, repercussions are faced by all organisms
  4. No large herbivores were available to graze the tough grass that is unpalatable for small herbivores


Solution

The correct option is A All of the above
The reason for the disappearance of smaller herbivores in Gorongosa national park was the unavailability of tender roots and leaves. The large herbivores eat away the bigger grass and trample them. This makes space for new tender grass to grow. Smaller herbivores feed on these tender grass. But when the larger animals were hunted down, there was no scope for new tender grass to grow. Slowly the small herbivores lost their source of food and started reducing in number. This proves that in a community all organisms are important. When one species gets affected, an imbalance is created and the repercussions are faced by other organisms as well.

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