Homework Answers
1. Porifera - sponges, Sycon - Radial symmetry or assymetric - cellular grade - Acoelomate - Protostome - fixed to substratum - Calcareous and siliceous spicules.
2 .Cnidaria- Physalia, Adamsia- Radial symmetry - Tissue grade - Acoelomate - Protostomes - fixed or free swimming - cnidoblasts or stinging cells.
3. Ctenophore- Pleurobranchia - Biradial symmetry - Tissue grade - Acoelomate - Protostomes - Comb plates 8 in mumber - Tentacles two in number
4. Platyhelminthes - Taenia, Fasciola - Bilateral - organ system level - Coelomate - Protostome - skeletal system absent
5. Annelida- Nereis, Pheretima - Bilateral - Organ system - Coelomate - Protostome - segmentation helps in muscle contraction - segments has annuli.
6.Molluscs - Pila, Pinctada - Radial - Organ system - coelomate - protostome - muscular foot - calcareous shell
7. Nematoda - Ascaris, Ancylostoma - Bilateral - pseudocoelomate - protostome - longitudinal fibres musculature - firm cuticle, epidermis.
8. Arthropoda - Apis, Bombyx - Bilateral - coelomate - protostome - metameric segmentation - chitinous exoskeleton.
9. Echinodermata - Asterias, sea urchin - radial in adults and bilateral in larvae - coelomate - deuterstome - water vascular system - spiny skinned.
10. Chordata - Mammals, Aves, Reptiles etc. - Bilateral - Coelomate - Deuterostome - skeletal system comprising of bone or muscles - dorsal hollow nerve cord
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Lineage Examples Tissue Organization Body Symmetry C oelom Protostome/ Development Deuterostome Locomotion Support Porifera Cnidaria Ctenophore...
Is the possession of three tissue layers homologous or convergent among animals? Explain it. Lineage Porifera...
Is the possession of three tissue layers homologous or
convergent among animals? Explain it.
Lineage Porifera Layers N/A 2 Cnidaria Platyhelminthes Rotifera -Annelida 3 L -Mollusca Nematoda -Arthropoda Echinodermata Chordata tmong animals?
can someone help me? solve this phylogenetic treePhylogenetic tree showing the hypothesized relationships for nine anima...
can someone help me?
solve this phylogenetic treePhylogenetic tree showing the
hypothesized relationships for nine animal phyla. an Inferred from
morphological and developmental characters (based on Freeman 2005,
10); b inferred from molecular characters. In a closed book
laboratory exercise, students are asked to map each of three
characters onto each of these two trees. The characters are (1)
body cavity (acoelomate, pseudocoelomate, or eucoelomate), (2)
number of opening to the digestive tract (one or two), and (3)
segmented body...
Metazoans Mesozoans Parazoans Phylum Porifera Eumetazoans Radiata - Phyla Cnidaria & Ctenophora Bilateria AcoelomatesPlatyhelmithes - Turbellaria,...
Metazoans Mesozoans Parazoans Phylum Porifera Eumetazoans Radiata - Phyla Cnidaria & Ctenophora Bilateria AcoelomatesPlatyhelmithes - Turbellaria, Trematoda & Cestoda Nemertea Gnathostomulida Pseudocoelomates _ Nematoda, Rotifera, Nematomorpha, Acanthocephala, Priapulida, Gastrotricha Eucoelomates Protostome - Mollusca, Annelida, Arthropoda -Deuterostome - Echinodermata, Hemichordata & Chordata
Please help me with this. Thanks Porifera Cnidaria Platyhelminthes Mollusca Annelida Nematoda Arthropoda # of tissue...
Please help me with this. Thanks Porifera Cnidaria Platyhelminthes Mollusca Annelida Nematoda Arthropoda # of tissue layers Symmetry type Body Cavity sac or tube/alimentary canal? Protostome or Deuterostome? (or neither) What type of environment(s) do they live in? What/How do they eat? Adaptations for digestion Adaptations for respiration (how do they breathe?) How do they circulate materials? Adaptations for circulation How do they sense their environment? Reproduction/life cycle details Major groups (classes or subphyla) Other key traits/notes
Animals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera...
Animals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera Cnidaria Lophotrochozoa Protostome 75. 76. 77. 83. 78. 79. 80. 82. 81. flatworms Segmented worms luods dams, Shails, sea stars, sea urchins roundworms Sandopo Crustaceans, insects, spiders lancelets, vertebrates RADIAL jellyfish, coral, anemones 85. 84. NO TISSUES 86. (feeding structure) 87. (shed exoskeleton)
Name: Porifera | Ctenophora Cnidaria Rotifera Platyhelminthes Acoela Mollusca Annelida Nematoda Arthropoda Echinodermata Chordata - coelom...
Name: Porifera | Ctenophora Cnidaria Rotifera Platyhelminthes Acoela Mollusca Annelida Nematoda Arthropoda Echinodermata Chordata - coelom Add in the following characteristics: A. True tissue B. Incomplete Digestive Tract C. Complete digestive Tract D. Open Circulatory E. Closed Circulatory F. Hydrostatic Skeleton Ancestral protist Add in the following characteristics (cont.): G. Endoskeleton H. Exoskeleton 1. Nerve Net J. Central Nervous System K. Nerve Ring
i need help building a cladogram of the phyla. incorporating all traits and clades in the...
i need help building a cladogram of the phyla. incorporating
all traits and clades in the table.
Table 1. Phyla, Clades and Traits to be included in the tree. Clades Bilateria Deuterostomia Ecdysozoa Lophotrochozoa Protostomia Radiata Phyla Annelida Arthropoda Chordata Cnidaria Porifera Ctenophora Echinodermata Mollusca Nematoda Platyhelminthes Traits 8 rows of radially arranged combs Acoelomate Body plan Cnidocytes Coelomate Body plan Deuterostome development Diploblastic Dorsal hollow nerve cord Ecdysone Exoskeleton with joint:s Mantle & Mantle Cavity Muscles Nephridia/Metanephridia Protostome development...
1A. A colleague calls from Asia with a discovery of a new species. She describes the...
1A. A colleague calls from Asia with a discovery of a new species. She describes the adult species as being a bilateral, coelomate organism. Which phylum could this organism belong? Select all that apply. Question options: Porifera Ctenophora Cnidaria Platyhelminthes Nematoda Mollusca Annelida Arthropoda Chordata Echinodermata Question options:1B. A week later, you get an email with more of a description. She then describes the organism being aquatic, specifically marine, a complete digestive tract, a closed circulatory system. Which phylums could...
mals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera...
mals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera Cnidaria Lophotrochozoa Protostome 75. 76. 77 78. 79. 80. 81. 82 83. Watworms os Semented worms doms, als Foundworms sea stars. sea urchins jellyfish, coral, anemones crustaceans, insects, spiders RADIAL vertebrates 85. 84. NO TISSUES 86. (feeding structure) 87. (shed exoskeleton) 88) The most ancient branch point in animal phylogeny (what distinguishes sponges from other animals) is that between having A) radial or bilateral...
clearer picture mals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata...
clearer picture
mals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera Cnidaria Lophotrochozoa Protostome 75. 76. 77. 78. 79. 80. 81. 82. 83. wo Matworms worms dams, was Spunoi sea stars. sea urchins jellyfish, coral, anemones crustaceans, insects, spiders RADIAL landets 85. 84. NO TISSUES 86. (feeding structure) 87. (shed exoskeleton) 88) The most ancient branch point in animal phylogeny (what distinguishes sponges from other animals) is that between having A) radial or...
Is the possession of three tissue layers homologous or
convergent among animals? Explain it.
Lineage Porifera Layers N/A 2 Cnidaria Platyhelminthes Rotifera -Annelida 3 L -Mollusca Nematoda -Arthropoda Echinodermata Chordata tmong animals?
can someone help me?
solve this phylogenetic treePhylogenetic tree showing the
hypothesized relationships for nine animal phyla. an Inferred from
morphological and developmental characters (based on Freeman 2005,
10); b inferred from molecular characters. In a closed book
laboratory exercise, students are asked to map each of three
characters onto each of these two trees. The characters are (1)
body cavity (acoelomate, pseudocoelomate, or eucoelomate), (2)
number of opening to the digestive tract (one or two), and (3)
segmented body...
Metazoans Mesozoans Parazoans Phylum Porifera Eumetazoans Radiata - Phyla Cnidaria & Ctenophora Bilateria AcoelomatesPlatyhelmithes - Turbellaria, Trematoda & Cestoda Nemertea Gnathostomulida Pseudocoelomates _ Nematoda, Rotifera, Nematomorpha, Acanthocephala, Priapulida, Gastrotricha Eucoelomates Protostome - Mollusca, Annelida, Arthropoda -Deuterostome - Echinodermata, Hemichordata & Chordata
Animals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera Cnidaria Lophotrochozoa Protostome 75. 76. 77. 83. 78. 79. 80. 82. 81. flatworms Segmented worms luods dams, Shails, sea stars, sea urchins roundworms Sandopo Crustaceans, insects, spiders lancelets, vertebrates RADIAL jellyfish, coral, anemones 85. 84. NO TISSUES 86. (feeding structure) 87. (shed exoskeleton)
Name: Porifera | Ctenophora Cnidaria Rotifera Platyhelminthes Acoela Mollusca Annelida Nematoda Arthropoda Echinodermata Chordata - coelom Add in the following characteristics: A. True tissue B. Incomplete Digestive Tract C. Complete digestive Tract D. Open Circulatory E. Closed Circulatory F. Hydrostatic Skeleton Ancestral protist Add in the following characteristics (cont.): G. Endoskeleton H. Exoskeleton 1. Nerve Net J. Central Nervous System K. Nerve Ring
i need help building a cladogram of the phyla. incorporating
all traits and clades in the table.
Table 1. Phyla, Clades and Traits to be included in the tree. Clades Bilateria Deuterostomia Ecdysozoa Lophotrochozoa Protostomia Radiata Phyla Annelida Arthropoda Chordata Cnidaria Porifera Ctenophora Echinodermata Mollusca Nematoda Platyhelminthes Traits 8 rows of radially arranged combs Acoelomate Body plan Cnidocytes Coelomate Body plan Deuterostome development Diploblastic Dorsal hollow nerve cord Ecdysone Exoskeleton with joint:s Mantle & Mantle Cavity Muscles Nephridia/Metanephridia Protostome development...
mals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera Cnidaria Lophotrochozoa Protostome 75. 76. 77 78. 79. 80. 81. 82 83. Watworms os Semented worms doms, als Foundworms sea stars. sea urchins jellyfish, coral, anemones crustaceans, insects, spiders RADIAL vertebrates 85. 84. NO TISSUES 86. (feeding structure) 87. (shed exoskeleton) 88) The most ancient branch point in animal phylogeny (what distinguishes sponges from other animals) is that between having A) radial or bilateral...
clearer picture
mals: Invertebrates and Vertebrates Annelida Deuterostome Mollusca Arthropoda Ecdysozoa Nematoda Bilateria Echinodermata Platyhelminthes Chordata Eumetazoa Porifera Cnidaria Lophotrochozoa Protostome 75. 76. 77. 78. 79. 80. 81. 82. 83. wo Matworms worms dams, was Spunoi sea stars. sea urchins jellyfish, coral, anemones crustaceans, insects, spiders RADIAL landets 85. 84. NO TISSUES 86. (feeding structure) 87. (shed exoskeleton) 88) The most ancient branch point in animal phylogeny (what distinguishes sponges from other animals) is that between having A) radial or...
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