A typical leaf is composed of multiple layers of specialized cells. What is the correct order of layers starting on the upper surface of the leaf and progressing to the lower surface?

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Eutrophication caused by human nutrient pollution.

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.