1. which of the following phyla have representatives that exhibit radial symmetry throughout their entire lives?

Cnidarians have representatives that exhibit radial symmetry throughout their entire lives. Cnidarian, also called coelenterate, include the corals, hydras, jellyfish, sea anemones, etc. Cnidarians are radially symmetrical (similar parts are arranged symmetrically around a central axis).

human-caused climate hope this

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.