The fact that tracheophytes can survive on land is due to which of the following?
A. alternation of generations
B. A dominant gametophyte stage
C. Adaptation to damp habitats
D. Water transport through vascular tissues
E. Mechanisms other than photosynthesis for carbohydrate production
Ans: D. Water transport through vascular tissues
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The idea that species that typically occupy the same communities should always be found together is known as the _____ view of communities
1.ecotonal 2.individualistic 3.interactive 4.successional
Which of the following prokaryotic nutritional
groups use organic substances for carbon and photons for energy? a. photoautotrophs b. chemoautotrophs c. photoheterotrophs d. chemoheterotrophs e. none of these
According to the graph in Figure 9-2, chlorophyll absorbs light most strongly in the:
a. red and blue wavelengths.
b. blue and green wavelengths.
c. green and yellow wavelengths.
d. UV and red wavelengths.
e. UV and infrared wavelengths
What is the configuration of the tRNAs and polypeptide on the ribosome just after peptide bond formation?
What will be an ideal response?