What is the role of these bacteria in the nitrogen cycle?
Some bacteria live in the roots of plants like soybeans
and peas
to absorb nitrogen-containing compounds from the soil
to release free nitrogen into the atmosphere
to break down nitrogen-containing compounds in dead
organisms
to convert free nitrogen into usable nitrogen
image by Ninjatacosheli
HEOL
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What finding has provided scientific evidence to support life on earth possibly evolved from microbes? a) the curiosity rover discovered warm and wet enviromental conditions on mars similar to earth. b) space probes discoverd evidence of possible extraterrestial life on other planets. c) space satellites provided pictres of prehistoric life on earth d) evidence of human fossils found in rock samples.