Answer:
The main difference between plankton and nekton is that plankton are passive swimmers that are carried by the water currents whereas nekton are actively-swimming organisms that swim against the water currents.
Explanation:
Optometrist is what they are called
Cooperation helps because they both defend each other. its a friendship that allows for living longer. For example, Near sharks, fish stay behind them, so that they are not killed, thats one example.
The awnser is: No change in temperatures between seasons
Non perishable food is the answer to this
