Question

why are the number of systems found in plants smaller than the number of systems found in animals
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Answer 1

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Refer to the attachment

Answer 2

Answer:

In plants, just as in animals, similar cells working together form a tissue. When different types of tissues work together to perform a unique function, they form an organ; organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system, and a root system.