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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

What is the configuration of the tRNAs and polypeptide on the ribosome just after peptide bond formation?

What will be an ideal response?

Biology & Microbiology