Nitrogen.
Plants cannot use atmospheric nitrogen directly. Nitrogen from the air must be converted into the different form so plants can absorb it. Thus plants need nitrogen-fixing bacteria to convert atmospheric nitrogen into ammonium, which is available for plants to absorb it.
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Answer:
There is a great deal of diversity in life on Earth because the planet has so many different climates that life has adapted to and colonized.
Explanation:
The fossil record indicates that the earliest hominids most likely originated in "Africa," since this is the location from which humans eventually migrated to other locations.
Answer:
1) The right end is the 5' region and the left end is the 3' region
2) 5'-UAACGGUGCAUCGAUAGCAUGC-3
