Use the diagram to answer the question.

A diagram has a triangle at center with gas on top, liquid on bottom right, solid on bottom left. An arrow from gas to liquid is labeled B, and an arrow from liquid to gas is labeled vaporization. An arrow from solid to liquid is labeled C, and an arrow from liquid to solid is labeled freezing. An arrow from solid to gas is labeled A, and an arrow from gas to solid is labeled deposition.
Use the drop-down menus to determine the changes of state that are missing from the triangle.

Label A:

Label B:

Label C:

answer; //the above statement is (false);

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 answer is b.) hydrogen bonds between bases.

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