Which statement is NOT true regarding phloem transport during the summer in plants?
Select one:
a. The leaves must make sugar.
b. A higher pressure exists in the leaves than in the roots.
c. Water follows sugar into sieve-tube members in the leaves.
d. Sugar is transported by passive diffusion into sieve-tube members.
e. There is a fluid flow from the leaves to the roots.
d. Sugar is transported by passive diffusion into sieve-tube members.
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In 2010, India had a population of 1,170,000,000, a birthrate of 0.027, and a death rate of 0.013. What was the per capita rate of India's population?
A. 0.001 B. 0.014 C. 0.027 D. 0.040 E. 0.013
Which of the following statements describes the
value of fungi in the environment? a. Fungi “fix” nitrogen from the air for use by plants. b. Fungi trap sunlight energy in the form of carbohydrates. c. Fungi release elements from organic matter. d. Fungi enrich the soil by decreasing the rate of decay of organic matter. e. Fungi remove toxic metals from the soil.
Shannon has considered herself an extremely healthy person for most of her life. She is a marathon runner and watches her diet very carefully. She has 8% body fat, weighs 105 pounds, and is 5 foot 10 inches tall
Why might Shannon's health still be of concern? A) She is overweight for her height. B) She likely has metabolic problems associated with high blood pressure. C) She doesn't have enough body fat for menstruation or pregnancy. D) She doesn't consume enough nutrients for normal bodily functions.