Which of the following are potential musculoskeletal side effects of some prescription medications?
joint pain
joint inflammation
muscle weakness
bone fracture

Joint Pain or Muscle Weakness

Explanation:

A prescription medication can weaken your bones to cause a bone fracture but it weakens your muscles and causes joint pain depending on what prescription medicine your taking.

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.

the supermassive black hole is in the middle of the galaxy.