Why do whales explode? Sharks have a cartilaginous rather than a bony skeleton, which is made of a strong, flexible connective tissue called cartilage, which is also found in humans (in our ears and noses).Whilst it is not recommended that you touch either, if you did you would find that...
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Tetrapods are a group of vertebrates that includes amphibians, reptiles, birds, and mammals. Tetrapods include all living land vertebrates as well as some former land vertebrates that have since adopted an aquatic lifestyle (such as whales, dolphins, seals, sea lions, sea turtles, and sea snak...
However,unlike humans who use their noses to breathe,whales breathe air through blowholes(呼吸孔) on the top of their heads. An adult blue whale has a large stomach and it usually eats up 8,000 pounds of food every day. Small fish are its favorite food. Blue whales usually live...
The simplicity of the diving bell actually makes it believable that Alexander the Great may have used an early version, as legend suggests. Next time you're in the kitchen get a cup, fill up your sink and push the open end of the cup straight down into the water. You'll feel some re...
Dolphins aren’t the only cetaceans living in pod groups, though. A group of porpoises and a group of whales are both commonly known as pods, too. Dolphin pods often number from ten to thirty individuals, although the number can vary both higher and lower. ...
A Novel Non-Invasive Tool for Disease Surveillance of Free-Ranging Whales and Its Relevance to Conservation Programs. Anim. Conserv. 2010, 13, 217–225. [Google Scholar] [CrossRef] Lima, N.; Rogers, T.; Acevedo-Whitehouse, K.; Brown, M.V. Temporal Stability and Species Specificity in ...
Baleen whales have baleen instead of teeth and include humpback whales, right whales, gray whales, rorquals, and others. Baleen is made out of keratin (just like your fingernails) and makes up skinny, hard plates that hang down from the whale's top jaw. There are small spaces between the...
Thesperm whalediet differs slightly from other toothed whale species. While they do feed on fish, this species specializes in one particular – and notorious – type of prey. When you think of the best whale food, you likely don't think of giant squid, but sperm whales sure do!