Based on the 7th-grade biology curriculum by , Laboratory Work No. 8 typically focuses on studying representatives of the class Amphibia (Amphibians) .
Observe the streamlined shape and how the head transitions into the trunk without a distinct neck. Based on the 7th-grade biology curriculum by ,
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: To examine the structural features of amphibians and
Identify the large, protruding eyes with eyelids for protection on land, and the visible tympanic membranes (eardrums) located behind the eyes. Common Conclusions: Magnifying glass
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