1 The purpose of the digestive system is to
OA allow an animal to move by supporting its muscles.
OB. break food down into useful nutrients.
OC. take in oxygen and excrete carbon dioxide.
OD. circulate blood to all the cells of the body.
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one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.

i think the answer is b.

the answer is c because it is most logical.