If you were to penetrate through the epidermal

layer of a root, you would next encounter the



a. xylem.
b. endodermis.
c. cortex.
d. phloem.
e. pith.


C

Biology & Microbiology

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Which of the following mechanisms make it difficult to classify bacteria into different species groups?

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During inspiration (a.k.a. inhalation) of air into the lung of a mammal

A. the chest cavity has a positive pressure. B. the diaphragm moves upward. C. the diaphragm contracts. D. the rib cage moves down. E. the intercostal muscles relax.

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Areas that receive heavy rainfall tend to have ____ soils, and arid regions tend to have ____ soils

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What evolutionary advances are demonstrated in the nervous systems of bilaterally symmetrical animals? What will be an ideal response?

Biology & Microbiology