A biological steady state:

A. maintains reactions at chemical equilibrium within the cell.
B. is maintained by adjustments in metabolic flux. is a reversible state of the system.
C. allows turnover (utilization and reproduction) of biomolecules while maintaining a constant concentration of biomolecules.
D. is reversible state system

1. all of above
2. A, B and D
3. B and D

Explanation:

1.Steady State: A system that is in a steady state, remains constant during a long time,it requires continual work.  

2.  It also known as a "system in dynamic equilibrium".

3. A system if it is in a steady state then it has a higher level of energy than its surroundings.

4. A biological steady-state or dynamic equilibrium is when the concentration in a biological system such as a cell is constant but reactions are occurring.

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

answer: that would be cheating

explanation: