module 3 - chapter 9 Flashcards by Daisy Collins | Brainscape

Q

why do multicellular plants need transport systems?

A

metabolic demands - many parts don’t photosynthesise, removal of waste required, transport of phytohormones, mineral ions from roots to all cells
size - roots to tips of shoots & stems, perennial plants large
SA:V - overall small so diffusion insufficient

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