Examine how photosynthetic prokaryotic cells changed the atmosphere of early earth

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

5points what is term for the process of gathering information through images taken at a distance? o a. global positioning o b. topography o c. remote sensing o d. cartography submit