A student is studying a cell from an unidentified organism. Which feature of the cell provides the strongest evidence that the organisms is a prokaryote, and not a eukaryote?
The cell contains a nucleus and membrane-bound organelles.
The cell lacks a nucleus and other membrane-bound organelles.
The cell is surrounded by a cell membrane and a cell wall.
The sell is surrounded by a cell membrane, but not a cell wall.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell