temperatures. Rye, for instance, is killed by freezing at about-5°C, but after a period of exposure to low nonfreezing temperature can survive freezing down to about -30°C. When exposed to low temperatures, plants exhibit an increased expression of certain cold-induced genes that function to stabilize cell membranes against freeze- induced injury. The ability of an individual plant to develop freezing tolerance is best described as an example of: Allonatei

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Many plants increase in freezing tolerance upon exposure to low nonfreezing
temperatures. Rye, for instance, is killed by freezing at about -5°C, but after a period
of exposure to low nonfreezing temperature can survive freezing down to about
-30°C. When exposed to low temperatures, plants exhibit an increased expression of
certain cold-induced genes that function to stabilize cell membranes against freeze-
induced injury. The ability of an individual plant to develop freezing tolerance is best
described as an example of:
Allopatric speciation
Freeze-induced cellular dehydration
Adaptation
Acclimation
O Mutation
Genetic drift
Transcribed Image Text:Many plants increase in freezing tolerance upon exposure to low nonfreezing temperatures. Rye, for instance, is killed by freezing at about -5°C, but after a period of exposure to low nonfreezing temperature can survive freezing down to about -30°C. When exposed to low temperatures, plants exhibit an increased expression of certain cold-induced genes that function to stabilize cell membranes against freeze- induced injury. The ability of an individual plant to develop freezing tolerance is best described as an example of: Allopatric speciation Freeze-induced cellular dehydration Adaptation Acclimation O Mutation Genetic drift
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Answer is Acclimation.

Plants are continuously exposed to wide variety of environmental stresses.

 

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