USABO Phylogeny Exam Questions and Answers All Correct

USABO Phylogeny Exam Questions and Answers All Correct Chytridiomycota (chytrids) - Answer-flagellated spores; fungi Zygomycota (zygomycetes) - Answer-resistant zygosporangium as sexual stage; fungi Glomeromycota (arbuscular mycorrhizal fungi) - Answer-arbuscular mycorrhizae formed with plants Ascomycota (ascomycetes) - Answer-sexual spores (ascospores) borne internally in sacs called asci; vast numbers of asexual spores (conidia) produced; fungi Basidiomycota (basidiomycetes) - Answer-elaborate fruiting body (basidiocarp) containing many basidia that produce sexual spores (basidiospores) Metazoa - Answer-clade of all monophyletic animals Eumetazoa - Answer-clade of animals with tissues; all animals except for porifera Bilateria - Answer-clade of animals with bilaterial symmetry and the presence of three prominent germ layers Deuterostomia - Answer-hemichordata; echinodermata; chordata Ecdysozoa - Answer-nematoda and arthropoda -- secrete exoskelets and molts (ecdysis) Lophotrochozoa - Answer-platyhelminthes; syndermata; ectoprocta; brachiopoda; mollusca; annelids -- crown of ciliated tentacles that function in feeding; trochophore larva stage Acoela - Answer-Neither Protostomy or Deuterostomy fate Porifera - Answer-lack tissues; have choanocytes