1. mitochondria
2. rough endoplasmic reticulum
3. plasma membrane
4. nucleus
Teratogens is the right answer i believe<span />
The simple organisms may be unicellular, consisting of just 1 cell, but more complex organisms are multi-cellular, which means they might have more than one. So the answer you are looking for is A. 1
I hope this helps! :>
The answer is ocean basin floor.
