ECOSYSTEMS

ECOSYSTEMS

1. LIVING THINGS

   • LIFE CICLE born, grow, reproduce, die
   • VITAL FUNCTIONS
     • REPRODUCTION oviparous viviparous ovoviviparous
     • NUTRITION herbivores omnivore carnivore
       • FOOD CHAIN producers consumers decomposers
     • INTERACTION
       • RELATIONSHIPS parasitism commensalism mutualism predation competition
   • CLASSIFICATION
     • algae
     • plants
     • bacteria
     • funghi
     • ANIMALS
       • INVERTEBRATES worms cnidarians molluscs echinoderms sponges arthropodes
       • VERTEBRATES fish mammals reptiles birds amphibians
       • DESCRIPTION
       • THREATS: EXTINCTION

2. NON LIVING THINGS (physical environment)

   • rocks, water, air, ...

3. TERRESTRIAL desert forest grassland ....

4. AQUATIC sea lake river ....