Put the following events in the order in which they occurred: sexual reproduction, development of eukaryotic cells, free oxygen in atmosphere, development of photosynthesis, development of prokaryotic cells, evolution of multicellularity

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above