2. Symbiotic Relationships A close ecological relationship between two or more different species

4. Habitat Places plants and animals normally live Forests, grasslands, deserts, marshes, beaches Niche The organism’s “JOB” or role in an ecosystem Predator, scavenger, producer, decomposer, parasite

5. Commensalism One species benefits The other species is unaffected Example: a bird builds a nest in a tree Bird – gets shelter Tree - unaffected

6. Barnacles – have a home Whale - unaffected Epiphyte – get access to more sunlight Tree - unaffected

7. Mutualism Both species benefit Example: honeybee and dandelion Honeybee – gets to eat the pollen Dandelion – gets bee to spread pollen to another flower

8. Ramora – gets leftover food from shark Shark – cleaning service Tickbird – eats flies, ticks off rhino Rhino – cleaning service

9. Parasitism One species benefits The other species is harmed Example: Deer tick and white tailed deer Deer tick – gets blood from the deer White tailed deer – loses blood; risks possible infection

10. Mosquito – gets blood Human – loses blood; possible disease/infection Tick – gets blood Dog – loses blood; possible disease/infection