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Digestive Systems

Digestive Systems. Earthworm . Earthworms. Segmented worms that live in the soil It takes in soil through its mouth Muscle contractions move the soil throughout esophagus to the crop The gizzard- grinds up the food into smaller pieces The food is pushed through to the anus- waste.

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Digestive Systems

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  1. Digestive Systems Earthworm

  2. Earthworms • Segmented worms that live in the soil • It takes in soil through its mouth • Muscle contractions move the soil throughout esophagus to the crop • The gizzard- grinds up the food into smaller pieces • The food is pushed through to the anus- waste

  3. Digestion in Fish • Yellow Perch • Eats insects and other organisms • Perch has small sharp teeth to grasp it’s prey • Some fish have small pouches called- PYLORIC CAECUM • It breaks the food and absorbs it the nutrients

  4. Digestive System of a Frog • Carnivores will eat anything they catch • A frog’s tongue is attached to the front of it’s mouth so it can capture flying objects • It has 2 sets of teeth- to hold the prey • When it swallows it closes its eyes and swallows • Food moves to the GULLET • Waste materials exit its body through- CLOACA

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