The ________________ transport(s) dissolved organic compounds such as sugars from the leaves throughout the plant.
A. phloem
B. guard cells
C. xylem
D. epidermis
E. stomata
Answer: A. phloem
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__________________ Indicate whether the statement is true or false.
heterotrophs (animals, humans)
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Although the model for magnetic sensory perception is incomplete, we can hypothesize how the process of magnetic perception should work, based on other types of sensory perception. Which hypothesis for magnetic perception is consistent with how other
types of sensory perception work? A) Magnetoreceptors are triggered to open or close ion channels after detecting a change in the Earth's magnetic field. B) Changes in the flow of ion channels across the membrane of a magnetoreceptor do not affect the receptor potential. C) When an animal is no longer moving, the sensitivity of its magnetoreceptors to the Earth's magnetic field remains high. D) The order of steps in magnetic perception would be: transduction, transmission, processing, and reception.