"The rotating part of the microscope at the bottom of the body tube; it holds the objectives." -utahscience.oremjr.alpine.k12.ut.us
The answer is a Reptile.
Because it lives in water (also out) and has rough skin.
Answer:
D the train
Explanation:
The train is safe very fast and was the first built
Probably the intertidal zone, as I reason the tides would affect life dramatically. High and low tide would affect land and ocean creatures in this zone too often where as the coastal and open oceans have constant properties.
