Digestion in other animals

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Presentation transcript:

Digestion in other animals

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

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

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

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

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

SPECIAL COWS

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

Grasshopper (cont)

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