Inside the water where light cannot reach does the animals live there or how do they hunt in dark?

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Solution

Dear Student,

Yes, fishes and other creatures exist inside the water where light can not reach.
Some organisms use inorganic chemicals such as hydrogen and hydrogen sulfide obtained from rocks and seawater for energy and food. This process is known as chemosynthesis.
Some fishes depend on the food that reaches down from above.
Some organisms use bioluminescence (ability to form light energy from chemical energy) attract their prey.

Regards

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1. Talk to your partner and say whether the following statements are true or false.

(i) No animal can survive without water.

(ii) Deserts are endless sand dunes.

(iii) Most snakes are harmless.

(iv) Snakes cannot hear, but they can feel vibrations through the ground.

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2. Answer the following questions.

(i) How do desert animals survive without water? (1)

(ii) How do mongooses kill snakes? (6)

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