Looking at some pond water under the microscope, you notice some an unfamiliar rod-shaped cell about 200 mm long. knowing that some exceptional bacteria can be as long as this or even bigger, you wonder whether your cell is a bacterium or eukaryote. how will you decide? if it's not eukaryote, how will discover whether it is a bacterium or archaeon?

It's bacterium.

Explanation:

It shows the property of bacterium like it does not have closed nucleus and closed organelles

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs