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Symbiosis

Symbiosis describes a close and long-term interaction between different biological species. These relationships can be mutually beneficial, where both species gain advantages (mutualism); beneficial to one species and neutral to the other (commensalism); or beneficial to one species and detrimental to the other (parasitism). The nature of the interaction depends on the specific organisms involved and the environmental context. It is a fundamental concept in ecology, showcasing how different species depend on each other for survival, resource acquisition, and overall ecosystem function. Understanding symbiosis helps scientists to analyse complex relationships and explain how life persists and evolves within diverse ecological niches.

Symbiosis meaning with examples

  • The clownfish and sea anemone display a classic mutualistic symbiosis. The clownfish gains protection from predators by living amongst the stinging tentacles of the anemone, while the anemone receives cleaning and sometimes, the removal of parasites. Both organisms benefit considerably from this close relationship for their safety and survival.
  • Mycorrhizae are a vital symbiotic relationship between fungi and the roots of plants. The fungi enhance the plant's ability to absorb water and nutrients, while the plant provides the fungi with carbohydrates produced through photosynthesis. This symbiosis is essential for the health and vitality of most terrestrial ecosystems.
  • The human gut is teeming with symbiotic bacteria. These microorganisms aid in digestion, produce vitamins, and protect against harmful pathogens. We provide the bacteria with a stable environment and a continuous supply of nutrients, resulting in a mutualistic symbiosis that is critical for our health.
  • Lichen, found on rocks and trees, represent a symbiotic association between algae or cyanobacteria and fungi. The fungi provide shelter and protection from the environment, while the algae or cyanobacteria perform photosynthesis, providing food for both organisms. These organisms coexist with each other.
  • Certain species of termites and the microorganisms living within their gut demonstrate a complex symbiotic relationship. The termites ingest wood, which they cannot digest on their own. The microorganisms break down the wood, providing the termites with nutrition. Both species need each other to thrive and continue this survival technique.

Symbiosis Crossword Answers

9 Letters

MUTUALISM

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