Which of the following statements about plants grown in hydroponic culture is true?
A. They rarely get enough micronutrients.
B. They cannot be used for commercial purposes.
C. They no longer need to transport water through their xylem.
D. They are unable to photosynthesize.
E. They are suspended with their roots in a nutrient solution.
Answer: E
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Use the following information to answer the following question(s): You wake up one morning feeling slightly under the weather. A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy. You then decide to design an experiment to test Echinacea and see if this claim is true. You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."Your statement, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms," is called a(n) ________.
A. observation B. theory C. conclusion D. hypothesis
All of the following traits are shared between animals and at least some fungi except:
A. None of the other answer options is correct (all of the other traits are found in both fungi and animals). B. flagellated motile cells. C. chitin synthesis. D. glycogen for energy storage. E. eukaryotic cells.
Emphysema would have the greatest impact on which respiratory volume? What will be an ideal response?
Mosquitoes have a short life span and produce a very large number of eggs. This is typical of a/an:
A) density dependent species. B) K-selected species. C) r-selected species. D) equilibrium species.