Digestion 3070

Lisää tämän kaltaisia

Dog

luonut John Capps

Digestive System(Amira Sultan)

luonut Mira Sweets

9B Test Biology Hayden S

luonut Hayden Silbermann

Chapter 5: Deforestion in Kalimantan

luonut Jiaxin See

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