PPT-Amphibians “Double Life”

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. 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. NOTES. EXTERNAL STRUCTURE AND MOVEMENT. Amphibian skin does not have . scales. , feathers, or . hair. .. It does have . secretions. that help with protection. . These glands also keep skin . moist. to prevent drying. . 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. Taxonomy of Amphibians. Kingdom . Animalia. Phylum . Chordata. Subphylum Vertebrata. Class . Amphibia. Order . Urodela. . (salamanders & newts). Order . Anura. . (frogs & toads). 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.. 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. 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;. 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 . We will delve into the intricacies of taxes on life insurance in the UK, exploring the rules and regulations that govern this important aspect of financial planning.