Biology
Grade-10
Easy
Question
Which of the following vary in oxygen tolerance?
- Mosquito fish
- Bluegill fish
- Aquatic larvae of midge
- Trout
Hint:
The worm like organism which causes irritation and pain to human skin, upon its bite.
The correct answer is: Aquatic larvae of midge
- Aquatic larvae of midge has the capacity to survive in varying oxygen tolerance levels
- Midge fly larvae can survive in the presence of very low oxygen levels. Unlike them, fishes and other insects require a lot of oxygen. This eliminates the midge larvae from competition for space and food, and allows them to dominate the bottom sediment.
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