1. It’s all about relationships!
Symbiosis
It’s all about relationships!

2. Symbiosis is a close relationship between two or more different species.

3. Mutualism—A relationship where both species benefit from the relationship. 50/50

4. Mutualism

5. Parasitism-- A relationship between two species in which one species (the parasite) gets energy by the disabling the other species (the host) 100/0

6. Parasitism
Host- Organism that is being used by the parasite as a habitat (place to feed). Can become seriously ill or die. Parasite- Organism that is benefiting by getting nutrients. Can live inside or be outside of host

7. Commensalism—A relationship where one species obtains food or shelter from the other species. Does not harm or help the other species.

8. Example- Tiny mites living on human eyebrows
Commensalism
Example- Tiny mites living on human eyebrows

9. Predation: When one organism hunts, stalks another (the prey) resulting in eating, killing, or injuring it.

10. Predator Organism that hunts, kills, eats and stalks another organism
Prey- Organism that is killed, hunted, stalked or eaten by a predator

11. Competition

12. When two organisms use physical (direct) or non-physical (indirect) means to obtain the same thing.. For food, mates, shelter, followers, etc.

13. 2 Types
Direct: Kevin gets into a physical altercation (fight) with Justin regarding him dating Nikki.
Indirect: Nikki is dating Justing and he is aware that she is seeing Kevin. Justin then vows to win her over by lavishing her with gifts and flower. However, he never sees Kevin.