What are the five phyla for simple invertebrates

porifera, cnidaria, platyhelminthes, nematoda, mollusca, annelida, arthropoda, and echinodermata

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.