posted by Nichole .
Lack of iron in the photic zone of the open ocean restricts the size of plankton populations. Iron is what kind of factor for marine plankton?
First of all, the School Subject is NOT 10th grade. It is probably BIOLOGY? Then the correct teacher will read it.
Please see some of the following links:
true or false.growing a large numbe of different cells from one cell is known as cloning.