Green Warrior Class 5 Life On Land

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

In an ecosystem, a "Keystone Species" is an organism that helps hold the entire system together. If the Tiger (a keystone species) disappears from a forest, what is the most likely result?

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A The forest will become peaceful and safer for all animals.
B Herbivores (like deer) will overpopulate and eat all the plants, destroying the forest.
C Other predators like Lions will move in immediately to help.
D The trees will grow taller because no animals are climbing them.

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Answer: B. Herbivores (like deer) will overpopulate and eat all the plants, destroying the forest.

Answer: (B)
Simple Explanation: Predators keep the number of plant-eaters in check. Without a "Keystone" predator, the plant-eaters eat everything until the forest turns into a desert, and then even they have no food left.

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In an ecosystem, a "Keystone Species" is an organism that helps hold the entire system together. If the Tiger (a keystone species) disappears from a forest, what is the most likely result?

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