PPT-Amphibians

Amphibian diversity Anura frogs 4000 sp Caudata salamanders 450 sp Gymnophiona caecilians 175 sp Skin permeable respiration mucous glands poison glands biphasic lifestyle. . Ms. Bridgeland . 5. th. Grade. Stage 1. : . Adult frogs. Stage 2. : . Frogs . lay eggs in water, which then are fertilized. . *How . are Amphibian Eggs different from other eggs? . Taxonomy of Amphibians. Kingdom . Animalia. Phylum . Chordata. Subphylum Vertebrata. Class . Amphibia. Order . Urodela. . (salamanders & newts). Order . Anura. . (frogs & toads). Classification. Kingdom: Animalia. Phylum: Chordata. Subphylum: Vertebrates. Class: Amphibians. Examples- frogs, toads, salamanders newts. The Link. Amphibians-link between aquatic fish & terrestrial reptile animals.. Invertebrates. I can classify animals by determining if. they are vertebrates or invertebrates.. Essential Questions. • . Why do we classify animals. ?. • How do we classify animals?. Think-Pair-Share. Sinfield-Albets. Toler. Amphibians. The First Terrestrial Vertebrates. Amphibians are present on all continents except for Antarctica. . 3,000 modern day species.. This is a remnant of a once diverse group.. Animals With Backbones. MAMMAL. FISH. REPTILE. BIRD. AMPHIBIAN. Animals with backbones are called vertebrates.. Vertebrates include many different kinds of animals. They can be found just about everywhere – in oceans, rivers, forests, mountains, and deserts.. Scientist classify organisms based on many factors. Let’s learn!. Organisms can be grouped, or . classified. , according to similarities and differences in their physical characteristics. .. Classifying Animals. Adaptations to Meet Challenges of Life on Land. Challenges of Life on Land vs. Water. Adaptation to Meet Challenge . Air much less buoyant than water so must move against gravity. Limbs develop;. skeletal and muscle systems become stronger. Test 2: Amphibians and Reptiles:. Objective 1: Describe the characteristics of Modern Amphibians. Objective 2: Describe characteristics of the following orders: (. Apoda. , . Urodela. , . Anura. ). Give examples of each.. Amphibians are eukaryotic, heterotrophic vertebrates. They have thin, smooth, moist skin. Some of them have fish-like scales and none of them have claws.. They are ectothermic (coldblooded).. They have external gills and lungs.. Sinfield-Albets. Toler. Amphibians. The First Terrestrial Vertebrates. Amphibians are present on all continents except for Antarctica. . 3,000 modern day species.. This is a remnant of a once diverse group.. Amphibians “Double Life” Adaptations to Meet Challenges of Life on Land Challenges of Life on Land vs. Water Adaptation to Meet Challenge Air much less buoyant than water so must move against gravity Chapter 34. “Never grow . a wishbone . where your backbone ought to be” . -Clementine . Paddleford. Origin of . Tetrapods. First . tetrapods. diverged 365 million years ago . (________). ________________________and shallow inland lakes with muddy bottoms likely selected for early . Spitzen-van der Sluijs A, Martel A, Asselberghs J, Bales EK, Beukema W, Bletz MC, et al. Expanding Distribution of Lethal Amphibian Fungus Batrachochytrium salamandrivorans in Europe. Emerg Infect Dis. 2016;22(7):1286-1288. https://doi.org/10.3201/eid2207.160109.