Skachat Besplatno Prezentatsii Po Biologii 7 Klass Briukhonogie Molliuski May 2026

Marine predators, some with highly toxic venom. 📂 Slide 6: Ecological and Economic Importance

Several pairs of nerve nodes (ganglia) connected by bridges. 📂 Slide 4: Reproduction and Development

Include a labeled drawing of the Radula and the Internal Organs . Marine predators, some with highly toxic venom

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

Evolutionarily lost their shells to move into tight spaces. Marine predators, some with highly toxic venom

Open system with a heart (one ventricle and one or two auricles).

Use high-quality photos of a Grape Snail (Vinogradnaya ulitka) and a Slug (Slizen). Marine predators, some with highly toxic venom

A broad, flat sole used for crawling via muscular waves.