 Do all organisms interactions benefit both organisms? Why or why not?

Jamar Dunnum

the act of living together

What it means:  Two organisms that live together  Temporarily or for a longer time  At least one of the organisms benefits from the relationship

Parasitism Mutualism Commensalism both organisms benefit one organism benefits one organism is unaffected one organism is harmed

Mutualism Organism One Organism Two

mutualism This fish lives its entire adult life among the tentacles of a bulb- tentacle sea anemone. Anemone fish do not get stung by the anemone as would most other fish so they get protection from predators. The fish often drop food scraps which the anemones can eat. What symbiotic relationship is this?

This Boxer Crab carries a pair of stinging anemones in its claws, which it uses to defend itself from predators. The anemones get to move around which increases their food supply. mutualism What symbiotic relationship is this?

Moray Eel & Cleaner Fish This moray eel has a small fish cleaning between its teeth. The eel gets a clean mouth while the cleaner fish gets a nice meal. What symbiotic relationship is this? mutualism

Commensalism Organism One Organism Two

The remora attaches itself to the shark and saves energy since it doesn’t have to swim, and it gets to snack on the sharks kills. The shark doesn’t get anything. Shark & Remora commensalism What symbiotic relationship is this?

This tiny emperor shrimp is riding along on the back of a sea cucumber (a long worm- like starfish relative) while it crawls along a sandy bottom. The shrimp gets to travel around under the protection of its much larger partner, and the sea cucumber doesn't seem to mind. Emperor Shrimp & Sea Cucumber commensalism What symbiotic relationship is this?

Clown Fish & Anemone This clown fish swims in the anemone and gets protection, since its predators will get stung. The anemone is unaffected. What symbiotic relationship is this? commensalism

Parasitism Organism One Organism Two

Acacia Plant & Ants The ants lay eggs on acacia tree so they get a nice safe place for their eggs. The acacia covers the infected area with brown flesh (called a gall.) The plant has to use valuable resources to create the gall. What symbiotic relationship is this? parasitism

Loa Loa Worm & Human This worm infects human the blood stream and gets a nice warm safe home there. The human may go blind or have other complications as a result. What symbiotic relationship is this? parasitism

1. What is symbiosis? 2. What are the different kinds of symbiosis? 3. Describe one example of each kind of symbiotic relationship. Answer each of following questions on a sheet of lined paper.