Which of the following statements describe advantages that seeds have over spores?
A. Seeds have tough walls that allow dispersal through the air.
B. Seeds employ various means of dispersal, allowing colonization of more diverse habitats.
C. Seeds are produced in greater numbers.
D. Production of seeds does not require water as a medium for sperm transport.
E. Seeds are able to store food.
Answer: E
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The name given to rat-bite fever when the illness is caused by acquired Spirillum minus is:
a. sodoku. b. Haverhill fever. c. monillic fever. d. monillic gastritis.
The proteobacterium Rhizobium lives in a close association with legume roots, providing a source of nitrogen for the plant. In return, the plant provides Rhizobium with food produced by photosynthesis. In this relationship, Rhizobium is an example of a(n):
A. pathogen B. parasite C. producer D. methanogen E. mutualist
A prokaryotic cell
A. has a cell wall made of chitin. B. is at least 10 micrometers in diameter. C. does not have a nucleus. D. has membrane-bounded organelles. E. has a nucleus.
Influenza infection can be treated with
A. oseltamivir. B. amantadine. C. zanamivir. D. rimantadine. E. All of the choices are correct.