They are misidentified as primitive because they are cartilaginous and they have been around from the beginning. However, given the highly sophisticated sensory system they have, they are hardly primitive. This is just another myth of evolution that does not apply.
Ken, the Shark Wrangler, www.sharkwrangler.com
Sharks eat each other quite often. Sharks can also be eaten by any larger fish - if the shark is young or quite small, a barracuda or grouper could eat it.
The most primitive bacteria are known as cyanobacteria, also called blue-green algae. They are often considered to be some of the earliest forms of life on Earth and are capable of photosynthesis.
Apparently, it's just called a school, just like any other fish.
All sharks are endangered, because fisherman catch sharks and cut off their fins to make a Chinese dish called shark fin soup often used at weddings and parties.
YES
Dolphins and sharks both live in the ocean. They are social creatures, often found in groups, and spend their time hunting for food and navigating their underwater environments. Dolphins are known for their intelligence and playful behavior, while sharks are solitary hunters. Both play crucial roles in their ecosystems.
Small sharks are often referred to as "pups" or "juveniles." They can also be classified based on their species, such as "dwarf lanternshark" or "dwarf catshark."
There are several flying creatures that can be seen in the movie, but 2 are the most prominent. The mountain banshee, or ikran in Na'vi, are seen often and are the creatures the Na'vi bond with and ride. The large red flying creature is a Great Leonopteryx, or toruk in Na'vi.
The brain stem stem could be called the "primitive part of the brain" because it was the first brain structure to evolve, and is responsible for our basic vital functions like breathing and heartbeat.
A small, often mischievous creature considered to have magical powers.A leprechaun.
All sharks are endangered, because fisherman catch sharks and cut off their fins to make a Chinese dish called shark fin soup often used at weddings and parties.
no