PPT-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 Limbs develop skeletal and muscle systems become stronger. . 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? . 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 . Mrs. . Krajewski. Characteristics of animals. Characteristics:. 1. made of cells. 2. They reproduce. 3. They move. 4. They eat food. 5. They grow and change. Vertebrates vs.. . Invertebrates . Vertebrates. 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. The different stages an animal or plant goes through during its life.. In plants this includes: . Pollination. Fertilisation. Fruit development. Dispersal of seeds. Germination. What stages might this inc. 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. 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 . 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.. 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. 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 and Reptiles Class Amphibia Amphibia =Double Life Frogs, toads, salamanders, and caecilians ~6000 species Skin with mucoid secretions, lack epidermal scales, feathers or hair Larvae are usually aquatic and 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.