Digestion 3070

Mai multe ca aceasta

Janine

după Emma Howard

CAMPOS MAGNETICOS: CELULAS, ORGANOS Y ORGANISMO

după Patricia Briseño

Digestion

după adrienne miller

Dog

după John Capps

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