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Develop a KEY to the CLASSES of Phylum ECHINODERMATA: Asteroidea, Ophiuroidea,
Echinoidea, Holothuroidea.
Step by step
Solved in 4 steps
- 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 classesMatch 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 headCreate 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 Triploblastic
- . In the space below draw a phylogenetic tree showing the inter-relationships among the following clades: Protostomia, Arthropoda, Mollusca, Cnidaria, Echinodermata, Crinoidea, Blastoidea, Asteroidea, Ophiuroidea, and Echinoidea.Create a body plan table (Insert → Add Table) for the following animal phyla: Porifera, Cnidaria, Platyhelminthes, Mollusca, Annelida, Nematoda, Arthropoda, Echinodermata, and Chordata. Describe each phylum by identifying the following body plan features. 1) Symmetry: Asymmetrical, Radial, or Bilateral 2) Tissue type: Parazoa, Eumetazoa (diploblastic), or Eumetazoa (triploblastic) 3) Body cavity (if triploblastic): Acoelomate, Psuedocoelomate, or Coelomate 4) Developmental mode (if Coelomate): Protostome or Dueuterostome Note: Depending on the body plan, features 3 & 4 may not apply to specific phyla. * Please answer 1) and 2) only. Reposting question for other two to be answered.Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrata
- 1)What is the best synapomorphy for Phylum Mollusca? 2) What is a synanthropic arthropod? Provide an example. Please answer asap and in short and content should not be palgarised pleaseCompare and contrast the 5 major extant groups of actinopterygii: 1.polypteriformes 2.chondrostei 3. lepisosteida 4.amiidae 5. teleosteiBriefly describe the distinguishing morphological features of each of the following: eurypterids, horseshoe crabs, pycnogonids.
- Distinguish the following groups of echinoderms from each other: Crinoidea, Asteroidea, Ophiuroidea, Echinoidea, Holothuroidea.Distinguish the following from each other: statocyst and rhopalium; scyphomedusae and hydromedusae; scyphistoma, strobila, and ephy-rae; velum, velarium, and pedalium; Hexacorallia and OctocoralliaIdentify and describe the features of Rotifera and Acanthocephala that make them distinct from one another, and how is the ‘relatedness’ of these organisms supported by molecular data? Identify two specific anatomical features of free-living and parasitic flatworms and relate it to their mode of living.