Plants living in standing water often face which of the following problems?
A. increased CO2 levels
B. chilling of the roots
C. oxygen deprivation
D. loss of stomata
E. harmful root pressure
C. oxygen deprivation
Plants need oxygen for cellular respiration. Standing water does not contain as much oxygen as moving water. Plants that have evolved in habitats with standing water have adaptations that allow them to facilitate the flow of oxygen to the tissues below water.
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Interpret the genomic content of mitochondria in relation to their evolution. How is mitochondrial evolution more complicated than expected?
What will be an ideal response?
What is the term for the single cotyledon within the kernels of cereal grains?
A. aleurone B. hypocotyl C. dicot D. scutellum E. amyloplast
Which type of active transport is illustrated here?
1.Antiport
2.H+ pumped against its gradient
3.Symport
4.Uptake of cations
Underground stems with fleshy leaves used for storage of water and food are known as:
a. tendrils. b. spines. c. bulbs. d. buds. e. stipules.