1. Animal Relations By: Montanna Reimer

2. Mutualism Mutualism is when an both of the organisms are benefitting. Examples: Fresh water-bees and flowers Forest-Birds and Deer's Rain Forest- ants and fungus tundra- zebras and wildebeest salt water- shark and pilot fish Desert- mongoose and horn bill birds

3. Parasitism Parasitism is when one animal is benefiting and the other one is harmed. Fresh water- Argolis Forest- Senna seymeria Rain Forest- Rafflesia Arnoldi tundra-Mosquitoes salt water-leeches Desert-Helminthes

4. Commensalism Commensalism is when one organism is benefiting and the other is not harmed nor is he benefiting Desert-saguaro cactus and a cactus wren Fresh water-Mangrove trees and oysters Forest-Black Brown and Grizzly Bears Rain Forest- ants and fig trees tundra-caribou and the arctic fox salt water- shark suckers and larger marine fishes

5. scavenger Scavenger is when an organism eats another organism Fresh water-Loaches Forest-Black bears Rain Forest-Green Tree Ants tundra-king vulture salt water-catfish Desert-Ravens

6. Predator-Prey Predator is when an organism hunts another organism. Prey is the organism that gets hunted. Fresh water-crabs-carcasses Forest-cheetahs-elk Rain Forest-Frog-fly tundra-wolves-caribou salt water- Lionfish-Damsels Desert-snakes-birds

7. Decomposer Decomposer is a bacteria that breaks down organisms when they die Fresh water-plankton Forest-fungi Rain Forest-Saprophytes tundra-Lichen salt water- shrimp Desert-beetles

8. Competition Competition is when two organisms fight over something. Fresh water-jellyfish and crabs Forest-Elephants and cattle Rain Forest-Alligators and binturong tundra-oxen and wolves salt water- bass and sea-bream Desert-lynx and bobcat