Examples of Synergy in Nature

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Synergy is broadly defined as the combined effects of two or more organisms to produce a greater result than each would achieve individually. Synergism in nature includes altruism, reciprocity, functional interdependence, mutualism, and parasitism. Mutualistic relationships occur between two species who perform "services" for each other that they can't carry alone. For example, a bee gets its food from a flower's nectar and the nectar is fertilized by pollen carried by the bee during pollination. This kind of interaction is found in various types of environments: the ocean, on land, in bacteria, and even the human intestine.

Oxpeckers And Zebras

One example of mutualism is the relationship between zebras or and very small birds called African oxpeckers. The zebras have two sources of food for the oxpeckers: the ticks on their backs and their blood that the birds suck out of wounds from tick bites. However, the blood loss from oxpeckers is relatively small. Oxpeckers act as a pest control but also make a hissing sound whenever they're frightened. This makes them an alarm system for the zebras, so they can move to a safer area whenever the oxpeckers see a nearby predator. The oxpecker also has this relationship with the rhinoceros.

Sea Anemones

Sea anemones have mutualistic relationships with other species in the ocean floor. They can be found on the backs of hermit crabs, and both fend off predators. Anemones repel octopuses trying to eat the crabs and the crabs repulse starfish preying on anemones. Clownfish also have a mutualistic relationship with sea anemones. The anemones repel clownfish predators by stinging them with their tentacles. A protective layer on the clownfish's skin protects them from the sting. At the same time, clownfish scare off butterfly fish that try to eat the anemones.

Fungi

Fungi have a mutualistic relationship with several insect species in forested habitats. Beetles and ants "farm" fungi: they help grow them by collecting and grinding up leaves and feeding the leaves to the fungi. They then use the fungi for food. The interaction is mutualistic because, although the insects consume the fungi, they also help the fungi populations to increase by providing them with nutrition. However, fungi aren't completely dependent on ants or beetles: their spores can float elsewhere to live a more independent lifestyle.

Intestinal Bacteria

Bacteria are found in various species' intestines where they get food from helping us break down digestible materials. In moose, bacteria are needed to break down the massive amounts -- around 160 liters -- of plant material in the intestine. These bacteria have an ample supply from nutrition from aiding digestion. This type of bacteria is also found in the human small intestine where it helps break down the food we consume. Humans have a mutualistic relationship with these bacteria because we indirectly feed these bacteria when we eat food.

Beneficial Viruses

Most viruses are harmful, but some viruses have a mutually beneficial relationship with their hosts. A lot of viruses help their hosts by attacking their competition. For example, the hepatitis G virus slows down the growth of HIV, the virus that causes AIDS, in humans. Bacteria grow viruses inside their cells and infect competitors with those viruses. Other viruses are needed for their host's physical development. When wasps lay eggs inside other insects, their eggs are equipped with viruses. These viruses fight off the infected insect's defenses and guarantee the eggs' survival.

References

About the Author

Scott has a biochemistry degree from UCSB with research experience and has a passion for science as well as writing. He has previously written for YoDerm, a dermatology-related start-up as a copywriter writing on various acne-related topics, drawing from his experience in biology and research.

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