Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Download Cnidaria - Salinella
Document related concepts
no text concepts found
Transcript
Cnidaria Cnidaria BIO2135 Animal Form & Function 1 Université d’Ottawa / University of Ottawa Ottawa ! ! Animal innovations (Symplesiomorphies) • Gap (Septate) junctions • Loss of the choanocytes 9:14 AM Porifera Placozoa Cnidaria Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora Rotifera Annelida Mollusca Sipuncula Nemertea Bryozoa Brachiopoda Phoronida Arthropoda Onychophora Tardigrada Nematomorpha Nematoda Priapulida Kinorhyncha Loricifera Echinodermata Hemichordata Chordata Gap (septate) junctions (Connexon) BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 3 9:14 AM BIO2135 Animal Form & Function Page 1 Cnidaria ! ! Animal innovations (Symplesiomorphies) • True tissues with all components • Internal digestive epithelium • Oral-aboral axis and symmetry Porifera Placozoa Cnidaria Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora Rotifera Annelida Mollusca Sipuncula Nemertea Brachiopoda Phoronida Bryozoa Arthropoda Tardigrada Onychophora Nematomorpha Nematoda Priapulida Kinorhyncha Loricifera Echinodermata Hemichordata Chordata Symmetry types Radial Biradial Bilateral Porifera Placozoa ! Cnidaria Cnidaria ! (Autapomorphies) • • • • Cnidocytes Polyp body plan Epitheliomusculature Planula larva Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora Rotifera Annelida Mollusca Sipuncula Nemertea Brachiopoda Phoronida Bryozoa Arthropoda Tardigrada Onychophora Nematomorpha Nematoda Priapulida Kinorhyncha Loricifera Echinodermata Hemichordata Chordata BIO2135 Animal Form & Function Page 2 Cnidaria Cnidarian diversity BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 7 9:14 AM Cnidarian diversity BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 8 9:14 AM Cnidarian diversity BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 9 9:14 AM BIO2135 Animal Form & Function Page 3 Cnidaria Cnidarian diversity BIO2135 Animal Form & Function 10 Université d’Ottawa / University of Ottawa Ottawa Extant Animalia ~1,300,000 species 9:14 AM Parazoa (1.2%) Radiata (0.9%) Protostomia (3.9%) Platyzoa (2.2%) Platyhelminthes (1.9%) Others (0.3%) Lophotrochozoa (9.8%) Mollusca (8.5%) Annelida (0.9%) Others (0.5%) Ecdysozoa (82.0%) Crustecea (3.1%) Chelicerata (7.6%) Atelocerata(70.3%) Others (1.1%) Deuterostomia (4.0%) Chordata (3.5%) Others (0.4%) Cnidarian characters Cnidocytes - nematocyst Cnidocil Operculum Nematocyst capsule BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 12 9:14 AM BIO2135 Animal Form & Function Page 4 Cnidaria Polyp body wall Epidermis Mesoglea Gastrodermis Coelenteron BIO2135 Animal Form & Function 13 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Body wall Coelenteron Gastrodermis Mesoglea Epidermis BIO2135 Animal Form & Function 14 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Hydrostatic skeleton (Polyp) Epitheliomuscular cells (longitudinal) Nutritive muscular cells (Circular) Coelenteron BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 15 9:14 AM BIO2135 Animal Form & Function Page 5 Cnidaria Body wall Cnidocyte Epidermal nerve cell Epitheliomuscular cell BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa Gland cell Nutritive muscular cell 16 9:14 AM Epidermis Epitheliomuscular cells Sensory cell Nerve cell Myoneme BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 17 9:14 AM Cnidarian characters Planula larva BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 18 9:14 AM BIO2135 Animal Form & Function Page 6 Cnidaria Cnidarian phylogeny Anthozoa Scyphozoa Cubozoa Hydrozoa ! ! Anthozoan innovations • • • • Biradial symmetry Siphonoglyphs Muscular septa Gonads in gastrodermis (autapomorphies) BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 19 9:14 AM Anthozoa Biradial symmetry a variation on radial Modified radial caused by paired structures on a radial body plan BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 20 9:14 AM Anthozoa Biradial symmetry a variation on radial BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 21 9:14 AM BIO2135 Animal Form & Function Page 7 Cnidaria Anthozoa Anemone anatomy Tentacles Mouth Pharynx Septum Coelenteron BIO2135 Animal Form & Function 22 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Anthozoan body wall Incomplete septum Complete septum Retractor muscle Coelenteron Siphonoglyphs Pharynx BIO2135 Animal Form & Function 23 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Anthozoan septal wall Retractor muscles Gonadal band Ciliated band Cnidoglandular lobe BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 24 9:14 AM BIO2135 Animal Form & Function Page 8 Cnidaria Anthozoa: Corals BIO2135 Animal Form & Function 25 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Cnidarian phylogeny Anthozoa Scyphozoa Cubozoa Hydrozoa ! ! Cnidarian innovations (Symplesiomorphies) • • • • BIO2135 Animal Form & Function Dimorphic life cycle Medusa by strobilization Opercular nematocysts Tetraradial symmetry 26 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Dimorphic life cycle Epidermis Mesoglea Gastrodermis Polyp BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa Medusa 27 9:14 AM BIO2135 Animal Form & Function Page 9 Cnidaria Strobilization BIO2135 Animal Form & Function 28 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Cnidarian phylogeny Anthozoa Scyphozoa Cubozoa Hydrozoa ! ! Scyphozoan innovations (Autapomorphies) • Rhopalia on medusa bell margin BIO2135 Animal Form & Function 29 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Scyphozoa Aurelia Life cycle Medusa Planula Ephyra Scyphistoma Strobila BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 30 9:14 AM BIO2135 Animal Form & Function Page 10 Cnidaria Scyphozoa Aurelia medusa Tentacles Gonad Gastric pouch Mouth Canal system Rhopalium Oral arm BIO2135 Animal Form & Function 31 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Scyphozoa Aurelia gastrovascular system Mesoglea Gastric filament Eggs Coelenteron Mouth BIO2135 Animal Form & Function 32 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Rhopalia - Cnidarian sensory system (on margin of medusa) Hood Pigment spot Pigment cup Statocysts BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 33 9:14 AM BIO2135 Animal Form & Function Page 11 Cnidaria Cnidarian phylogeny Anthozoa Scyphozoa Cubozoa Hydrozoa ! ! Cnidarian innovations (Symplesiomorphies) • Medusa produces a single medusa BIO2135 Animal Form & Function 34 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Cnidarian phylogeny Anthozoa Scyphozoa Cubozoa Hydrozoa ! ! Cubozoan innovations (Autapomorphies) • Polyps undergo metamorphosis into medusa • Unique eye • Pedalia BIO2135 Animal Form & Function 35 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Cubozoa Gonad Mouth Rhopalium (not on the margin of the medusa) Tentacle BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa Pedalium 36 9:14 AM BIO2135 Animal Form & Function Page 12 Cnidaria Cubozoan rhopalium Eyes Statocyst BIO2135 Animal Form & Function 37 Université d’Ottawa / University of Ottawa Ottawa 9:14 AM Cnidarian phylogeny Anthozoa Scyphozoa Cubozoa Hydrozoa ! ! Hydrozoan innovations (Autapomorphies) • Medusa from lateral buds • Dimorphic life cycle • Medusa with a velum BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 38 9:14 AM Hydrozoa Obelia colony Gonozooid Gastrozooid (hydranth) BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa 39 9:14 AM BIO2135 Animal Form & Function Page 13 Cnidaria Hydrozoa Obelia Medusa Gonozooid Fertilized egg Gastrozooid Planula Settled planula Young Colony BIO2135 Animal Form & Function 40 Université d’Ottawa / University of Ottawa Ottawa Hydrozoa 9:14 AM Encapsulated embryo Hydra Ovaries Spermaries Sexual cycle BIO2135 Animal Form & Function Université d’Ottawa / University of Ottawa Ottawa Budding Asexual cycle 41 9:14 AM BIO2135 Animal Form & Function Page 14
Related documents