<em><u>Scientific Name of Touch-Me-Not Plant is Mimosa Pudica.
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The Touch-Me-Not Plant behaves like this because of stimuli. It responds to our sense of touch and curls up.
Answer:Wildebeest are considered keystone species because their presence has myriad effects on the ecosystem, unlike those of any other species. Wildebeest are the "lawnmowers" of the Serengeti grassland. They keep grass short which in turn reduces the frequency of fires.
I believe it would be Mitochondria