Use high-quality photos of a Grape Snail (Vinogradnaya ulitka) and a Slug (Slizen).
Several pairs of nerve nodes (ganglia) connected by bridges. 📂 Slide 4: Reproduction and Development Use high-quality photos of a Grape Snail (Vinogradnaya
Lives in freshwater, breathes atmospheric air. 7th Grade Topic: Diversity
Evolutionarily lost their shells to move into tight spaces. 000 known species. Habitat: Occupy sea
Biology, 7th Grade Topic: Diversity, Structure, and Role in Nature 📂 Slide 1: Introduction Definition: Gastropods are the largest class of mollusks. Species: Over 100,000 known species. Habitat: Occupy sea, freshwater, and land. Key Feature: A single, often spiral-shaped shell. 📂 Slide 2: External Structure
Most terrestrial snails (e.g., Grape Snails).
