Which of the following statements is true? the earth is always the same distance from the sun. the earth's revolution causes day and night. seasons are caused by the angle of the sun's rays. the new calendar day starts at the prime meridian

your 2nd statement should be true. Can I have Brainliest please?

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 fossil record provides evidence of a common ancestor to many species.