Subject :NSO Class : Class 7
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?
here is an image to illustrate the same:
https://www.sofolympiadtrainer.com/revisewise/questions/nso7_ch6_weatherclimate_2017/images/img001.jpg