Most of the dry mass of a plant is the result of uptake of _____
A) water and minerals through root hairs
B) water and minerals through mycorrhizae
C) carbon dioxide through stoma
D) carbon dioxide and oxygen through stomata in leaves
C
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Explain why the yellow solution in the graduated cylinder became a reddish color after it was incubated in the light with stems of Elodea.
What will be an ideal response?
Examine the figure above. What type of pattern did the human population exhibit through most of its history (prior to the 1700s)?
A. logistic growth
B. exponential growth
C. zero growth (equilbrium)
D. negative growth
A solution has been prepared by mixing glucose in water. Which one of the following statements CORRECTLY describes this solution?
A) Both water and glucose are solutes. B) Both water and glucose are solvents. C) Water is the solute, and glucose is the solvent. D) Water is the solvent, and glucose is the solute.
The ________ are of critical ecological importance because most are endomycorrhizal symbionts of vascular plants.
A. Deuteromycota B. Basidiomycota C. Glomeromycota D. Zygomycota