Klass Briukhonogie Molliuski: Skachat Besplatno Prezentatsii Po Biologii 7

Include a labeled drawing of the Radula and the Internal Organs .

Includes a radula (a "grater" with chitinous teeth) to scrape food. Respiration: Aquatic species: Gills . Terrestrial species: A lung (a modified mantle cavity). Include a labeled drawing of the Radula and

Provides protection; can be coiled (right or left-handed) or reduced (as in slugs). 📂 Slide 3: Internal Anatomy Terrestrial species: A lung (a modified mantle cavity)

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

Most terrestrial snails (e.g., Grape Snails).

Ask the class why a snail leaves a "slime trail" (Answer: To reduce friction and protect the foot). If you'd like, I can help you: Write a quiz for the final slide. Provide a script for what to say while presenting. Find specific Latin names for the species mentioned.