10. which type of plant tissue is an active site of cell division?
11. usually the plants grow in open spaces and exposed to forceful winds. but they do not break
why?
12. which tissue aquatic plants to float?
13. what is the material present in the bark of stem?
14. name the chemicals that are present at the thickenings of collenchyma cells?

Provide one reason why mitosis occurs.

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Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger