Its true terrestrial based equivalents are much stronger
No - the Marine equivalent rank is Gunnery Sergeant.
Lobsters are considered to be intelligent compared to other marine creatures. They have complex behaviors and can problem-solve in their environment. However, their intelligence level is not as high as some other marine animals like octopuses or dolphins.
Whales are considered highly intelligent compared to other marine animals. They have complex social structures, communicate using a variety of sounds, and demonstrate problem-solving abilities.
PH6607
Equivalent to a full bird Colonel in the US Army.
actually a better question would be what is the marine cores equivalent to the army rangers. the rangers are considered more highly trained and more elite soldiers than the marines (although a marine will tell you other wise). And the marines equivalent would be MARSOC which stands for Marine Special Operations Command.
Compared to the seawater around them, most marine invertebrates have a higher concentration of ions inside their bodies to maintain osmotic balance. This helps them regulate the movement of water to prevent dehydration. Marine invertebrates have evolved various strategies, such as osmoregulation and excretion, to cope with the different osmotic challenges posed by their environment.
because of its marine life and its wildlife
Commander is a rank exclusive to the Navy. It is the equivalent of an Army/Air Force/Marine Corps Lieutenant Colonel (O5). A Navy Captain is equivalent to an Army/Air Force/Marine Corps Colonel (O6), whereas a Captain in the Army, Air Force, or Marine Corps is O3. A Navy Captain outranks a Commander, but a Commander outranks an Army, Air Force, or Marine Corps Captain.
Barnacles are typically small in size compared to other marine organisms, ranging from a few millimeters to a few centimeters in diameter. They are often smaller than many other marine creatures such as fish, crabs, and sea stars.
Apples and oranges. The US Army Rangers and Marine Corps Recon are two very distinct groups with very distinct missions. They cannot be equally compared.
There isn't one. The Army could compose something similar if need be, but there aren't any regular standing units equivalent to a MEU.