Answer :
An ecological keystone species is unique because it has a disproportionately large impact on its ecosystem compared to its abundance or biomass.
Ecological keystone species play a crucial role in maintaining the structure and functioning of their ecosystems. Despite often being present in low numbers or having small biomass, keystone species exert a significant influence on community composition and ecosystem dynamics. Their presence or absence can lead to dramatic shifts in the abundance and distribution of other species, resulting in cascading effects throughout the food web.
Keystone species typically occupy a niche that affects multiple trophic levels, and their activities, such as predation or habitat modification, help regulate species interactions and maintain biodiversity. The removal of a keystone species can disrupt the balance of the ecosystem, leading to changes that may have wide-ranging consequences. The concept of keystone species highlights the importance of biodiversity and the interconnectedness of species within ecosystems.
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