La Niña is sometimes referred to as the cold phase of ENSO and El Niño as the warm phase of ENSO. These deviations from normal surface temperatures can have large-scale impacts not only on ocean processes, but also on global weather and climate.
The correct answer to this question is "Poriferia".The common example of this group of animal is the sponge. Sponges are the basalmost clade of animals of the phylum Porifera.