Prokaryotes have a significant role in decomposition of organic matter, bringing back key nutrients into the trophic network. By decomposing dead plant or animal parts, they enable the circulation of elements like phosphorus and sodium.
On the other hand, specialized bacteria have a role in transforming nitrogen compounds in the soil, converting them into chemical forms that are suitable for other organisms to use.
That is where the fibers of the optic nerve exit the eye extending into the brain. there are no rods and cones there as a result.
The answer would be (C) i believe.
Relative date , which fossils in layers of rocks are placed in order from older to younger.
radiometric dating ,allows actual ages of actual rocks to be determined
