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aleksley [76]
4 years ago
9

PLEASE HELP ME!!!!

Biology
1 answer:
Neko [114]4 years ago
3 0

Multicellular organisms need specialised organ systems, whereas all the life processes in a unicellular organism take place in that one cell. Multicellular organisms need organ systems to carry out functions such as: Communication between cells, eg the nervous system and circulatory system.

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