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Cacti Spines Minimises Surface Area Plant Protects Stem

Cacti have spines to minimize the plant's surface area and protect the stem from herbivores.

Kaktusar har taggar för att minimera växtens yta och skydda stammen från växtätare.

Front
Why do cacti have spines?
Back
Minimises surface area of the plant (and protects the stem from herbivores).

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