Science 2

1. Episode 02

2. INTERACTIONS AMONG LIVING THINGS OBJECTIVE : In this unit we will study the different relationships between organisms living together. Then we will also be able to identify the needs that must be met by an organism’s surroundings, biotic and abiotic parts of a habitat, and describe the levels of organizatoin within an ecosystem.

3. Interaction among living things Symbiosis Competition Predation

4. COMPETITION Competition is the struggle between organisms to live in an area with limited resources O

7. PREDATION Predator Adaptations: Adaptations that help them to catch the preys. For example: Speed, Sharp teeth, Toxins, Claws, Camouflage, etc. Prey Adaptations: Adaptations help preys to escape from predators. For example: Speed, Change color, Spines, Toxins, Shields, etc.

8. Prey adaptations

10. Prey adaptations

12. False Coloring Prey adaptations

13. Prey adaptations W A R N I N G COLORING M O R T A L

14. Predator adaptations

15. Predator adaptations

16. Mutualism: Both species benefit Parasitism: One specie benefit while the other one is harmed . Commensalism: One specie benefit but the other one is not harmed

17. MUTUALISM

18. MUTUALISM

20. Parasitism

21. Anemones tentacles are equipped with cells like small harpoons and contain a poison sufficient to paralyze or kill other fish or predators, But the anemone treats the Clownfish as part of itself and does not sting it, but have no benefit from him. Clownfishes have a close relationship with sea anemones