Answer:
The plants need rigid structures so that they can grow up and out
Step-by-step explanation:
all cells have menbrains and the mebrians are flexible. This allows animals to have celles of diffrent shapes.
Plants need a rigid structure. Animal cells have flexible cell membranes. So animal cells can have a variety of shapes, but plant cells can not, they have to take the shape of their cell walls. Both plant and animal cells are eukaryotic, so they contain membrane-bound organelles like the nucleus and mitochondria.
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