1. Digestion in other animals

2. Digestion in other animals
AMOEBA
Ingest (phagocytosis) into vacuole
Digest – enzymes in vacuole
Egest (exocytosis)

3. Digestion in other animals
HYDRA
Secretes enzyme in tube
Nutrients diffuse directly into cells

4. Digestion in other animals
EARTHWORM
Mouth – suck in dirt
Crop – store and moisten food
Gizzard – chew with gravel
Intestine – digest and absorb

5. Digestion in other animals
BIRD
Similar to earthworm (crop + gizzard)
Has stomach (chemical digestion)
Intestine - absorption

6. Digestion in other animals
COW
Ruminant
4-chambered stomach (first 2 with bacteria to digest cellulose)
Regurgitate to continue chewing and breakdown (chewing cud)

7. SPECIAL COWS

8. Digestion in other animals
GRASSHOPPER
Ingestion – mouth, esophagus
Midgut – stomach for digestion
Ceca – special pouches for absorption
Intestine – reabsorb water and eliminate waste

9. Grasshopper (cont)