Which biomes are most threatened and why?

temperate grasslands because they are one if the worlds great biomes occupying ~8% of tge earths surface. however after cradling needs for centuries of they are the most endangered, the most altered and yet the least protected biome on the planet

Explanation:

i got that off of google so if i were you i would paraphrase it

its d lol

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one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.