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7th Class Science Weather, Climate and Adaptation of Animals to Climate Question Bank Weather Climate and Adaptations

  • question_answer
    Three species of fishes X, Y and Z with different body patterns are found in a lake. A predator who feeds on all these three fishes is introduced into the lake. Which of these fishes will be least affected?

    A) Fish Z because it lives near the ground.

    B) Fish V because it can show camouflage.

    C) Fish X because it lives near surface.

    D) All the three fishes will be equally affected.

    Correct Answer: B

    Solution :

    Camouflage is a high degree of similarity between an animal and its visual environment, which enables it to remain unnoticed from distance or get concealed. By blending into the background, the animal can escape from predators or remain invisible to its potential prey. In the given figure, fish Vis camouflaging aquatic weeds, because it has same pattern on its body as the aquatic weeds. Therefore, on introducing predator into the lake, fish Y will be least affected.


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