The tree аbоve shоws severаl оf the аnimal phyla, and one non-animal group (the Choanoflagellates). Use the tree to answer the following questions. (2 pts) Are the segmented worms and flatworms sister taxa? Why or why not? (3 pts) Someone looking at the tree says that rotifers and flatworms are more closely related than rotifers and molluscs are. Identify whether this is correct or not, and explain your reasoning. (3 pts) Are the sponges more closely related to ctenophores, or are sponges more closely related to choanoflagellates? Explain your reasoning. (2 pts) Is it accurate to say that nematodes are the most recent common ancestor of arthropods and tardigrades? Why or why not?