Skachat Besplatno Prezentatsii Po Biologii 7 Klass Briukhonogie Molliuski Page

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

Includes a radula (a "grater" with chitinous teeth) to scrape food. Respiration: Aquatic species: Gills . Terrestrial species: A lung (a modified mantle cavity). a visceral hump (inside the shell)

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. and a muscular foot .

Consists of a head , a visceral hump (inside the shell), and a muscular foot .