1. 2. 3. 4. Eating the scraps of another animal’s kill. 5. 6.

Symbiotic Relationships Commensalism: a relationship between two organisms in which one organism benefits and the other is unaffected. Mutualism: a relationship between two different species in which both species benefit. Parasitism: a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed. Predator/Prey: hunter versus hunted Competition: a battle for survival or resources, i.e. food, water, habitat.

Example of Symbiotic Relationship task What’s the symbiotic relationship? Mutualism Describe the symbiotic relationship? The birds are being fed and at the same time are removing parasites for the hippos, zebras, etc.

Clip #1 Tiger Shark and Loggerhead Turtle Predator vs Prey: (Shark eats turtle, or tries to)

Clip #2 Shark and Jack: Commensalism (Jacks use the shark as a “blind”-to keep out of the view of prey. Shark is neither helped nor harmed)

Clip #2 Shark and Mackerel: Commensalism (Mackerel bump up against the shark’s skin to rid themselves of loose scales and parasites. Shark is neither helped nor harmed

Clip #2 Shark and Shark Suckerfish: Commensalism (suckerfish attaches to shark and gets a free ride. Shark is neither helped or harmed)

Clip #2 Hammerhead Shark and Barberfish: Mutualism (Barberfish benefit the hammerhead by ridding it of parasites and at the same time benefit themselves with a meal

Clip #3: Competition (sharks are after the same fish as the human and will often steal the humans’ catch

Clip #4 Ants and liver fluke: Parasitism (The liver fluke invades the ants body and takes over it’s nervous system)