PPT-Amphibians Copyright Cmassengale

Evolution of Amphibians Copyright Cmassengale Amphibian comes from the Greek meaning both life Amphibians can live on water and on land Scientist infer that amphibians evolved from lobefinned fishes called crossopterygians. 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. 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. copyright cmassengale. 2. Are Viruses Living or Non-living?. Viruses are both and neither. They have . some properties of life but not others. For example, viruses can be killed, even crystallized like table salt. Classification. Kingdom: Animalia. Phylum: Chordata. Subphylum: Vertebrates. Class: Amphibians. Examples- frogs, toads, salamanders newts. The Link. Amphibians-link between aquatic fish & terrestrial reptile animals.. Frogs, Toads. , Newts,. Salamanders and. Caecilians. By: Annie Ladehoff. Key Characteristics. Can live on land and water. Exothermic (cold-blooded). Have smooth, moist skin. Have a backbone. Have 4 limbs – distinct front and back legs. EQ: . How does the unique structure of the macromolecules correspond to their function?. copyright cmassengale. Standard. :. SB1c: Determine the essential elements of the four macromolecules (proteins, lipids, nucleic acids & carbohydrates) .Identify the functions of the four main macromolecules (polymer and monomers) Explain the characteristics and function of enzymes. . Standard: SB3 Classification and diversity. EQ: How do we classify things?. . Write down as many things or areas that you can classify at school; in the classroom; in the gym; at home. . Eg. . Types of clothes, color of shoes, sports equipment, cars, etc.. 2. Example #1. Observation:. . Every year in the spring, the Nile River flooded areas of Egypt along the river, leaving behind nutrient-rich mud that enabled the people to grow that year’s crop of food. However, along with the muddy soil, large numbers of frogs appeared that weren’t around in drier times. 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. 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