What would happen if organisms that play the role of heterotrophic bacteria did not exist in the marine environment?
What will be an ideal response?
Marine heterotrophic bacteria play an important role in breaking down and decomposing dead organic matter. The processes of decomposition release nutrients that were locked into tissues back into the marine environment where they can be taken up by marine primary producers. Without these bacteria life would cease in the seas due to a lack of nutrients.
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Describe the three steps of translation
What will be an ideal response?
The time interval from parent cell to two new daughter cells is called ________.
A. the death phase B. the lag time C. the culture time D. binary fission E. the generation time
A study of a cohort of 1,000 animals showed a
90 percent death rate per individual in the first year, 10 percent the second year, and 5 percent the third year. This population's survivorship is a. type I. b. type II. c. type III. d. type I the first year and type II in years two and three. e. type I the first year, type II the second year, and type III the third year
Which statement about the domain Archaea is true?
A) Genetic prospecting has recently revealed the existence of many previously unknown archaean species. B) The genomes of archaeans are unique, containing no genes that originated within bacteria. C) No archaeans can inhabit solutions that are nearly 30% salt. D) No archaeans are adapted to waters with temperatures above the boiling point.