Andy is hiv positive and is beginning to show symptoms of full-blown aids. andy is losing a great deal of weight and is becoming extremely emaciated. andy has the aids symptom known as

Wasting syndrome

Wasting syndrome is an AIDs defining condition which leads to involuntary loss of more than 10% of body weight, especially muscle accompanied by at least 30 days of diarrhea, weakness or fever. For the question given above, Andy has the aids symptom known as wasting syndrome.

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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