What happens to nearly all of the uv radiation that enters the atmosphere?

i know im late but a better answer would be

Some of the sun's energy, though, is reflected from our atmosphere and sent back into space. -Can contain some heat and reflect out some of the heat. What happens to nearly all of the UV radiation that enters the atmosphere The Ozone layer absorbs most of the UV radiation that enters the atmosphere.

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

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explanation:

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