Nitrogen gas is more abundant in our atmosphere than
oxygen! However, nitrogen needs to be converted into
different forms to be used by many organisms. Bacteria are
highly involved in this! Describe the role of (A) bacteria
fixing nitrogen as they live symbiotically with some plant
species, (B) nitrifying bacteria, and (C) denitrifying bacteria
in the nitrogen cycle.
Answers: 2
Biology, 22.06.2019 11:30
Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
Answers: 2
Biology, 22.06.2019 18:30
Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome
Answers: 3
Nitrogen gas is more abundant in our atmosphere than
oxygen! However, nitrogen needs to be converte...
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