Which of the following experimental procedures would most likely reduce transpiration while allowing the normal growth of a plant?
A) subjecting the leaves of the plant to a partial vacuum
B) increasing the level of carbon dioxide around the plant
C) putting the plant in drier soil
D) decreasing the relative humidity around the plant
B
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The ascending portion of the loop of Henle is
A. permeable to water and impermeable to sodium. B. permeable to water and permeable to sodium. C. impermeable to water and permeable to sodium. D. impermeable to water and impermeable to sodium. E. the site of active transport of water.
Balanced polymorphism is a situation in which environmental conditions favor ________
a. the heterozygote b. the dominant phenotype c. sexual dimorphism d. either the dominant or recessive phenotype but not the heterozygote
Which statement is true?
a. Biome changes resulting from increased altitudes are similar to biome changes resulting from increased longitudes. b. The biomes found at each specific elevation are essentially identical regardless of where they are found on Earth. c. Isolated geographic regions may be home to many unique species. d. Endemic species originate in environments hostile to most other life.
Radioactive iodine is sometimes used to treat thyroid cancer. This is an example of the use of (isotopes/elements/radiation) in medical treatment
What will be an ideal response?