PPT-Mating permissiveness in two congeners of live bearing fishes

Jessica Bautista Brittni Broca Dr Raelynn Deaton Haynes St Edwards University Hybridization Introduction Gambusia Large genus 40 species Livebearing fish Focus on G . Jessica Bautista*, . Brittni. . Broca. , Dr. Raelynn Deaton Haynes. St. Edward’s University . Hybridization. Introduction. Gambusia. . Large genus ~40 species. Live-bearing fish. Focus on . G. . 1. What is a fish?. Aquatic vertebrates that have paired fins, scales, and gills.. Of course there are exceptions . . There are approx. 24,000 living species. 2. Questions. What is the function of fins?. The common cuttlefish. A Brief History of the Cuttlefish. The first person to describe the cuttlefish on record was Linnaeus in 1758.. His records are kept in the Linnaean Society of London. Cuttlefish Reproduction and Life Cycle. Terminology. Bearing. Raceway. Rolling Elements. Cage. Lubricant. Seal. =. Bearing Arrangement Terminology. Cylindrical roller bearing . Four-point contact ball bearing . Housing . Shaft . Shaft abutment shoulder . Scientific Classification-. Class . Osteichthyes. Class . Osteichthyes. includes all bony fishes. . Like all fishes, . Osteichthyes. are cold-blooded vertebrates that breathe through gills and use fins for swimming.. Traditional organization of Vertebrate Taxonomy. AGNATHA -Jawless Fishes. CHONDRICHTHYES -Sharks, skates, rays and chimeras. OSTEICHTHYES -Bony Fishes. AMPHIBIA -Amphibians. REPTILIA -Reptiles. MAMMALIA -Mammals. Bearing & Azimuth Bearing Bearing describes the direction of a line; in highway design, we call it “tangent” It cannot be larger than 90 o It is measured in relation to the north or south ends and are placed in one of the quadrants (NE, NW, SE, SW) World class bearings from DEVA save time and money expertiseour application engineering team assist you in the Technical Manual ContentsMaterial propertiespage 5Material structurepage 5Materialspage Origin. Position. Anatomy. Ovaries. Testes. Testes in different groups. Structure of ovary. Structure of testes. Cyclic changes in gonads. Intermittent organs. Reproductive strategies. Acknowledgements . Gabriele Ludewig, PhD. University of Iowa. PCBs in Schools. Risk e-Learning . Webinar . April 28, 2014. Outline. Human diseases and PCBs . Receptor-driven mechanisms. AhR. RYR. ER. Metabolic activation. coloured. . . Colouration. is one of the most common phenomena found among the fishes.. The enormous range of . colours. and patterns that produced in fishes are generally related to their habits.. 37 Vol.7; Issue: 10; October 2017 International Journal of Health Sciences and Research www.ijhsr.org ISSN: 2249 - 9571 Original Research Article Effect and Association of ABO & Rh Incompatibility Prof. Dr. . Mohammad . Hamed. . Bahnasawy. .  . Prof. of fish . biology . Zoology Department. Faculty . of . Science. . Damietta . University. The negative aspects. 1- Poisonous and venomous fishes. MATING IN FROGS. In almost all frogs , eggs fertilization happens outside the females body instead of inside.. The female releases her eggs and male releases his sperms at the same time . In order to make sure that the sperms reach the eggs ,the male and female get into the mating posture called .