Symbiosis

1. Symbiosis

2. 3 types of Symbiosis • It literally means “together life”. It refers to organisms that live in close approximation; often they cannot live without each other. • Top flap)

3. Parasitism (right flap) • Relationship in which one organism (the host) is the source of food and/or shelter for the organism (the parasite) • *Parasite benefits/ Host is harmed* • Examples: • Tick feeding on blood of a dog • Head lice on human scalp • Tape worm in intestines • Mistletoe putting roots into host tree. http://www.youtube.com/watch?v=5dDjmkWojE8

4. Mutualism (left flap) • Neither species is hurt in anyway, they both receive a benefit from the relationship. • *Both Benefit* • Examples: • Bees and Flowers • Bacteria living in cow’s intestines, help break down cellulose. • Honey guide bird leads honey badger to honey, they both eat.

5. Commensalism (bottom) • One organism benefits from the relationship while the other is neither helped or harmed. • *one benefits/one not helped or harmed* • Examples: • Barnacles living on a whale • Remoras attach themselves to a sharks body. They eat sharks food scraps and have protection.

6. Mutualism

7. Parasitism

8. Mutualism

9. Commensalism

10. Parasitism

11. Commensalism

12. Mutualism