Digestion 3070

Lisää tämän kaltaisia

Invertebrates: Phylogenetic Tree

luonut Kayla Joe

Microorganisms in Marine and Freshwater Ecosystem

luonut najatullah siddiqi

FCE CHAPTER 1

luonut johnny loh

Organigram

luonut Avisha Patel

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