Skachat Besplatno Prezentatsii Po Biologii 7 Klass Briukhonogie Molliuski [UPDATED TUTORIAL]

Lives in freshwater, breathes atmospheric air.

Provides protection; can be coiled (right or left-handed) or reduced (as in slugs). 📂 Slide 3: Internal Anatomy Lives in freshwater, breathes atmospheric air

Features eyes and one or two pairs of tentacles (sensory organs). Lives in freshwater

A broad, flat sole used for crawling via muscular waves. breathes atmospheric air. Provides protection

Part of the food chain; decomposers of organic matter. For Humans: Food source: Escargot (snails). Pests: Slugs damage agricultural crops. Medicine: Source of mucus for cosmetics and research.

Evolutionarily lost their shells to move into tight spaces.