Norman grew skin in a lab by adding skin cells to a synthetic material. The skin functioned normally fom 12 days. Then Norman separated some of the skin cells into cell membranes, cytoplasm, and vacuoles to study them
Which of the following were alive during Norman's experiment?

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat