1. Interactions Name that Relationship!

2. Name That Relationship!  Acacia ants live on the bullhorn acacia tree, which provides the ants with food and shelter. The ants deter grazing animals from eating the tree, ultimately protecting it.  NAME THAT RELATIONSHIP!

3. Name That Relationship! Mutualism! Both species benefit from the relationship!

4.  Fleas on dogs  Fleas feed on the blood of the dogs  The dog is physically weakened by the loss of blood  NAME THAT RELATIONSHIP! Name That Relationship!

5.  PARASITISM!  The flea benefits and the dog is harmed Name That Relationship!

6.  Plants called epiphytes, such as certain orchids, live on other plants, which provide only a place to grow. Epiphytes absorb sunlight, water, and nutrients from their surroundings and make their own food.  NAME THAT RELATIONSHIP! Name That Relationship!

7. Commensalism! The epiphyte benefits by having a place to grow. They do not harm the plant they grow on. Name That Relationship!

8.  Golden Trevally and Whale Sharks  The smaller fish travel in front of the whale shark, right in front of his mouth. They receive protection from the much larger fish (even though the whale shark is a filter feeder!)  NAME THAT RELATIONSHIP! Name That Relationship!

9.  COMMENSALISM!  The whale shark is unaffected by the trevally traveling with them Name That Relationship!

10.  There is a tiny wasp that lays its eggs in other insects, such as caterpillars, The wasp larvae feed on the host insect and eventually kill it.  NAME THAT RELATIONSHIP! Name That Relationship!

11.  Parasitism!  The wasp larvae benefit by having a food source and a place to grow. The host insect is harmed and eventually killed by the wasp larvae. Name That Relationship!

12. Termites break down and return to the soil the cellulose materials of decaying wood. They get nutrition from wood and other cellulose materials, but cannot digest the cellulose themselves. The termites depend on one- celled protozoa to break down the cellulose in their stomachs so they can use it as food.  NAME THAT RELATIONSHIP! Name That Relationship!

13. MUTUALISM! The termite and the protozoa both benefit. Name That Relationship!

14.  Bacteria and You  Bacteria in your intestines- they get food from you and produce vitamins for you Name That Relationship!

15.  MUTUALISM!  Both benefit. Name That Relationship!

16.  Remoras and Sharks  Remoras “hitch a ride” on sharks by attaching themselves. They feed on the scraps of the shark’s meal.  NAME THAT RELATIONSHIP! Name That Relationship!

17.  COMMENSALISM!  The remoras benefit, the shark neither benefits nor is harmed by the relationship. Name That Relationship!

18.  Coral and Algae  Algae receive a place to live through their relationship with coral. The coral receives the extra food that the algae produce from photosynthesis.  NAME THAT RELATIONSHIP! Name That Relationship!

19.  MUTUALISM!  There is mutual benefit! Name That Relationship!

20.  Tapeworms in human intestines  Tapeworm takes food from the host and multiply in number  The human gets malnourished and may eventually die  NAME THAT RELATIONSHIP! Name That Relationship!

21.  PARASITISM!  One benefits and the other is harmed. Name That Relationship!