Digestion 3070

Honelako gehiago

Aquaponics

scott ramser‑k egina

Janine

Emma Howard‑k egina

Small intestine

HH - 10MA 897880 Jean Augustine SS‑k egina

Organ System Working Together

Jack Pascall‑k egina

Digestion

Why do we need food?

Food = Nutritional Molecules

1. Fuel
2. Building blocks (synthesis during tissue growth/cell turnover)

Feeding Mechanisms

DEPOSIT FEEDERS (detritivory)

CARNIVORES

HERBIVORES

SUSPENSION/ FILTER FEEDING

sessile aquatic animals, sponges, hydra

ENDOCYTOSIS

pgagocytosis or phenocytosis

amoeba

SURFACE ABSORPTION

taenia

Animals can either wait or forage for food

Problems: Undernourishment vs Overnourishment