The phosphorus cycle differs from the biogeochemical cycles in that
it does not have an atmospheric reservoir.

If a set of instructions that determines all of the charactersitics of an organism is comparedto a book,and a chromosme is compared to chaper in the book,then what might be compared to a paragraph in the book?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Loss of protected health information collected for research should be directly reported to: