Question

The animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) view available hint(s) hint 1. consider which of these exhibits the least complexity and is the "basal group" of the animal kingdom. the animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) ctenophora porifera cnidaria lycophyta echinodermata

Answer 1

The answer is Porifera. This is supported by the evidences such as the lack of true tissue in sponges and the close similarity between choanocytes and choanoflagellates. Phylum porifera majorly comprises of sponges which are simple invertebrates animals that live in aquatic habitats. Most of the sponges are marine, however, Some species may live in freshwater lakes and streams.