Which prokaryotic organism shows up as the earliest fossils? asap plz

1#archaea
2#echoinoderms
3#algae
4#cyanobacteria

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.