Removing plants and Animals from their ecosystem: 1. Not upset dynamic balance
2. upset dynamic balance permenantly
3. requires knowledge to determine the extent of the effect.
4. needs to be conducted in small increments to determine the potential effects.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .