What are structural adaptations for the silky shark

A shark has fins and a streamlined body that help it swim through water. It has gills, which take in oxygen directly out of the water.

Explanation:

Because of its gills, sharks can stay underwater and not have to come to the surface to breathe. Sharks also have a tremendous number of sharp teeth, which make them fierce predators.

elements

explanation:

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the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.