Their limb structure and placement allow for movement on land, while webbed feet and a streamlined body make them efficient swimmers.
Note the thin, moist skin and the presence of mucus, which is essential for cutaneous (skin) respiration. Their limb structure and placement allow for movement
To examine the structural features of amphibians and identify adaptations to their dual environment (aquatic and terrestrial). Equipment: Live or preserved specimens (e.g., frogs or newts). Wet preparations or models. Magnifying glass. Core Observation Tasks: Their limb structure and placement allow for movement