PPT-Amphibians

Biology Club Bullfrog Eastern American Toad Eastern Gray Treefrog Can turn green for camouflage Pickerel Frog Northern Green Frog Northern Leopard Frog Northern Spring Peeper Wood Frog Fourtoed Salamander. . 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? . Ron Chakrabarty. Mark . Juhn. Daniel Montgomery. Andrew Tung. Amphibians. Family . Amphibia. Amphibians – General/Unique Characteristics. Moist, glandular skin with no scales. Feet lack claws and are often webbed. 1 in Amphibians Agent S pawn failure in amphibians occurs when spawn fails to develop properly and consequently doesn’t hatch . Spawn failure may happen simply because the spawn is unfert ti0HDtRY8u4. . Amphibia. . Courtney Johnson, Jessica . MacIsaac. , . Kirsty. Upshaw and Julia Davis. Definition. Amphibian: . Means “double life”, to live in water and on land. Introduction. Subclasses. Amphibian diversity. Anura. (. frogs, ~4000 sp.); . Caudata. (salamanders, ~450 sp.); . Gymnophiona. (caecilians, ~175 sp.). Skin. permeable. respiration. mucous glands. poison glands. biphasic . lifestyle. Biology 342. Phylogeny . of . Basal . Tetrapoda. The group of bony fishes that gave rise to land-dwelling vertebrates and their descendants (. Tetrapoda. , or colloquially, “. tetrapods. ”) was the lobe-finned fishes, or . Classification. Kingdom: Animalia. Phylum: Chordata. Subphylum: Vertebrates. Class: Amphibians. Examples- frogs, toads, salamanders newts. The Link. Amphibians-link between aquatic fish & terrestrial reptile animals.. 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.. 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.. 9-25-17. 1. How does a vertebrate differ from an invertebrate?. A. A vertebrate eats only vegetables. B. All vertebrates are warm blooded. C. All vertebrates can fly. D. All vertebrates have a backbone. 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 Characteristics of Class Amphibia. Most amphibians. are . tetrapods. , meaning they have . four limbs. , but . some are limbless. .. Amphibians have . smooth, moist skin. .. Amphibians . respire by lungs, skin, and gills;. 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.