Problem: Oxygen concentration of 1% of 1 billion years ago increased to the present level of 21% because of photosynthetic activity ofa. fungib. cyanobacteriac. plantsd. protistse. animals
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Problem Details
Oxygen concentration of 1% of 1 billion years ago increased to the present level of 21% because of photosynthetic activity of
a. fungi
b. cyanobacteria
c. plants
d. protists
e. animals
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Prokaryote Lineages concept. You can view video lessons to learn Prokaryote Lineages. Or if you need more Prokaryote Lineages practice, you can also practice Prokaryote Lineages practice problems.
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