Some marine creatures are colored as a measure of camouflage because light of this wavelength does not penetrate deep into the ocean.

RED

Explanation:

Animals have been observed to used colouration as a means of camouflage or defense against their predators. Examples of such organism are insects, chameleon or marine(aquatic organisms).

Marine organisms uses colouration as a means of camouflage against predators. Some can be coloured red, blue, yellow e.t.c.

It has been observed that the depth of the ocean has an effect on the colour of marine organisms that we can see.

For marine organisms coloured blue, the blue wavelength tends to penetrate the ocean so the deep the organism goes the brighter its colour.

Some marine creatures are colored RED as a measure or means of camouflage because light of this wavelength are lost within the first 10 meters in ocean, hence, it does not penetrate deep into the ocean.

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