Small organisms that eat and break down dead things are called?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart