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- Make a phylogenetic tree just including the following= phylum nematoda (enoplea and chromadorea) phylum nematomorpha Phylum Priapulida Phylum Kinorhyncha Phylum Loricifera Phylum Tardigrada Phylum Onychophora Phylum arthropoda -include subphylums and classesPorifera Cnidaria Clenophora Chordata Joo Ecdysis Protostome body plan Loss of coelom Bilateral symmetry Ctenes Hemichordata Pinacocytes 10 Visceral mass Notochord Consider the phylogenetic tree of the 12 metazoan phyla we discussed in class throughout the term. For each of the 8 numbered branches on this tree (numbered 1-10), match a trait (i.e. character) or loss of a trait that occurred along that branch. Echinodermata Deuterostome body plan Proboscis, collar, and trunk body plan 1. 1 2. 2 3. 3 4. 4 5. 5 6. 6 7. 7 8. 8 9. 9 Arthropoda 10, 10 Nemoda Mollusca Annelida Roer PlatyhelminthesMatch the following groups under Phylum annelida to the following characters: Match each item to a choice: Branchiobdellida Hirudenea Acanthobdellida Oligochaeta Polychaeta Choices: : Loss of remaining setae; 34 metameres : Anterior body sucker; 15 metameres : Presence of clitellum; but without superficial annuli E Posterior body sucker; 30 metameres : Parapodia; complex head
- What unifies the hexapoda? Be able to recognize a few of these classes by sight, and be able to distinguish some of them. Be able to describe specializations of different organisms. Complete metamorphosis (holometabolous) vs incomplete metamorphosis (hemimetabolous)ECHINODERMATA ANNELIDA NEMATODA CNIDARIA Use the diagram above to Identify the animal phyla at the branch tips labeled by lowercase letters and the body plan changes indicated by the capital letters. More than one answer is possible for some letters, but you only need to write one answer. Phylum identification a b d Body plan changes A D F B.Describe a Phylum Porifera organism as: Parazoa or Eumetazoa Diploblastic or Triploblastic or neither Assymetrical or Radial Symmetrical or Bilaterially Symmetrical Aquatic or Terrestrial Acoelomate or Pseudocoelomate or Coelomate Protostome or Deuterostome or Neither Lophotrochozan or Ecdysosoan or Neither
- Create a cladogram summarizing the phylogenetic relationships among the different phyla. Phyla: Porifera Cnidaria Platyhelminthes Annelida Mollusca Nematoda Arthropoda Echinodermata Chordata Characters: True tissues Blastopore forms the mouth Blastopore forms anus Undergo ecdysis Notochord Mantle and muscular foot Water vascular system Trochophore Segmented jointed appendages Chitinous setae Muscles and nerves TriploblasticIday Phylum Cnidaria Platyhelminthes Rotifera Bryozoa Brachiopoda Mollusca Annelida GROUP 1 < Previous 2 3 4 5 6 7 Find one species from your phylum that is found in Colorado. Describe the species and where you find it. What unique traits does it have to live in its environment?As we have discussed in class, phylogenies are hypotheses, and can therefore change over time with new evidence. Relatively recent and strong molecular evidence (that we did not discuss in class) suggests that all members of the Subphylum Hexapoda are derived from a common ancestor within the Subphylum Crustacea, as in the cladogram shown below. Given this new information, answer the question below. Note: Don't panic. Some of the names of these groups are new to you (Copepoda, Malacostraca, and Remipedia are all classes or subclasses within the Subphylum Crustacea), but this will not affect your ability to answer this question. Myriapoda Copepoda (Crustacea) Malacostraca (Crustacea) Hexapoda Remipedia (Crustacea) If we insisted that all groups must be categorized and named so that taxonomic ranks/names always include a single common ancestor and all of its descendants, how would this new evidence change our definition of a hexapod? Hexapoda and Melacostraca would have to be classified…
- In which of the following option, genus, characters and its class/phylum are incorrectly matched? Genus Characters Class/ Phylum Presence of wings (a) |(1)Corvus Aves Air sacs connected to |(b) lungs Distinct male and (a) female |(2)Wuchereria Aschelminthes (b) Internal fertilization Presence of two pairs of |(a) limbs (3)Hyla Amphibia |(b)Body is divisible into head and trunk (a) Lives in fresh water |(4)Lamprey Chondrichthyes (b)Cold blooded animalA NEOMENIOMORPHA CHAETODERMOMORPHA POLYPLACOPHORA MONOPLACOPHORA B GASTROPODA CEPHALOPODA SCAPHOPODA BIVALVIA Which kind of phyletic group is represented by region A?.Brachiopods with zig - zag commissures and are therefore useful in palaeoba Select one : True False