3. The ancient chordates are thought to be most closely related to echinoderms because the embryos of chordates and echinoderms are __________.
4. Leeches are classified as __________, because they obtain food by feeding on the blood of animals to which they are attached.

Question

3. The ancient chordates are thought to be most closely related to echinoderms because the embryos of chordates and echinoderms are __________.
4. Leeches are classified as __________, because they obtain food by feeding on the blood of animals to which they are attached.

anonymous · Answer

@thomaster

thomaster · Answer

uhm i think the second one is parasites
not sure about the first one

anonymous · Answer

I think the second one is parasites too. Do you think that maybe the first one could be deuterosomes?

thomaster · Answer

Yes i think its deuterostomes was just going to say that haha you beat me xD

anonymous · Answer

Haha, thanks!