Which of the levels of organization is blood classified as? A. cell
B. tissue
C. organ
D. organ system

The population of bacteria in a petri dish doubles every 40 seconds. the population of the bacteria is initially 400 organisms. what unit is most appropriate for the time at which the number of bacteria is 300? hour bacteria per hour second bacteria per second

Identify the missing parts of the carbon cycle

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?