Remora fish are small fish that make their niche by picking up the scraps that sharks leave behind while feeding. The shark makes no attempt to prey on the remora fish. This is an example of -

African wild dogs might be small, but they make up for it by resorting to pack behavior and their remarkable stamina. In a coordinated attack, they isolate a zebra, tire it, and bring it down by grabbing its tail and nose. This is an example of -

Carnivorous plants, such as the pitcher plants and Venus flytraps, are often found in regions where the soil is not rich in nutrients. These plants get their nutrients by attracting insects using nectar and trapping and digesting these insects. This is an example of -

Lions and cheetahs of the African savanna compete for the same antelope and gazelle prey. This is an example of -

Mistletoe takes water and nutrients from the spruce, harming the tree. This is an example of -

The following are symbiotic relationships EXCEPT for -