Unlike exoskeletons, endoskeletons a. protect the animal well. b. need to be molted. c. are relatively heavy. d. can grow as the animal grows.

D. Endoskeletons are inside, like our bones, and get bigger as we grow. Exoskeletons don't, which is why they have to shed and regrow a new one when they grow.

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.

Calcinosis is the diagnostic term that means an abnormal buildup of calcium on the kneecap (patellar) surface. it is a term uses to describe a group of disorders in which calcium deposits form in the skin. it is also referred to the abnormal deposit of calcium phosphate.