Examlex
Grades in a classroom are often given according to the percentage score obtained by the student. Suppose that a teacher grades according to the following scheme, where all scores are rounded to the nearest percent: A
B
C
D
To determine a percent grade, form a ratio of score received to possible score and then write this ratio as a percent. Calculate the percent (nearest percent) and determine the letter grade for each score. The student gets 56 answers right out of a possible 100. What is the percent score? __________% What is the letter grade? __________
Cork Cambium
A layer of tissue in plants that produces cork cells to form bark and protect the plant.
Periderm
A protective tissue in plants that replaces the epidermis in secondary growth, found in stems and roots of woody plants.
Epidermis
The outermost layer of cells in the skin and plants, serving as a protective barrier against environmental threats.
Herbaceous Eudicot
A type of flowering plant that does not have woody stems above the ground, and has leaves and stems that die down at the end of the growing season.
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