Dolphins and whales are mammals, not fish, so they do not have gills. They breathe air through blowholes on the top of their heads, just like humans breathe through their noses. This allows them to dive deep into the ocean and still come up to the surface to breathe.
Answer 1
Whales first evolved roughly 54 million years ago.Homo sapiens (modern humans) evolved roughly 4 million years ago.
Answer 2
Whales and humans share a common ancestry in the clade of Boreoeutheria, dating back some 65 million years. By my best estimate, that's when the lineages leading to modern humans and modern whales went their separate ways.
Modern whales, like the blue whale, form a diverse group of species, just like modern apes, like the humans, form a diverse group of species. On a geological timescale, there may not be much difference between the emergence of the modern species of whale from their basal clades and the emergence of modern species of ape from their basal clades.
Comparing the emergence of modern humans to the emergence of whales isn't really a useful comparison. It's like comparing the emergence of vehicles to the emergence of the Audi A3.
Yes, whales are chordates. They are also vertebrates, meaning they have a skeletal system.
However, there is more to it than that, especially given that there are two invertebrate chordate groups - Urochordata (tunicates) and Cephalachordata (lancelets) - whose backbone is not in the form of actual vertebrae.
As Chordates (or members of the phylum Chordata), whales share the following characteristics:
Whales are a diverse group of marine mammals belonging to the order Cetacea. There are many different species of whales, including the blue whale, humpback whale, sperm whale, and killer whale.
Porpoises are more closely related to dolphins than whales. Both porpoises and dolphins are part of the family Delphinidae, while whales are a separate family within the order Cetacea.
The binomial name for a whale is Balaenoptera musculus, which refers to the species of blue whale.
The scientific name for toothed whales is Odontoceti.
Both socialization and education involve learning and adapting to societal norms and values. They both play a crucial role in shaping an individual's beliefs, behaviors, and interactions with others. Additionally, both processes occur throughout one's life and help in personal development and integration into society.
Hyperoodon ampullatus is the scientific name for the Northern Bottlenose whale. It is part of the Hyperoodon family along with the Southern Bottlenose whale, Hyperoodon planifrons.
It has a backbone so it's included in the phylum chordata, even most people will not think that way because they live in water.
The scientific name for whale fat is "blubber." Blubber is a thick layer of fat beneath the skin of whales that helps them stay warm in cold water and serves as an energy reserve.
The zoological name for a whale is Cetacea. This name refers to the order of marine mammals that includes whales, dolphins, and porpoises.
The scientific name of the bowhead whale is Balaena mysticetus. They are known for their large, bow-shaped heads and are a species of baleen whale found in Arctic and sub-Arctic waters.
No, sharks and whales belong to different groups. Sharks are fish and belong to the group Chondrichthyes, while whales are mammals and belong to the group Cetacea. They are both classified under the superclass Osteichthyes, which includes all bony fish, but they diverged into separate evolutionary paths long ago.
Whale songs are known by the scientific name "vocalizations" or "singing behavior." These intricate vocalizations are used by whales for communication, social bonding, and navigation.
Whales belong to the family Balaenopteridae, which includes species like humpback whales, blue whales, and fin whales.
No, whales are not classified as fish. They are mammals and belong to the group called cetaceans. Fish and mammals are different in terms of their anatomy, reproduction, and other characteristics.
A rabbit belongs to the order Lagomorpha, which includes rabbits, hares, and pikas.
Captain Ahab displays hubris in his relentless pursuit of the white whale, Moby Dick, believing he can conquer an unstoppable force of nature. He disregards warnings from his crew and risks their lives to satisfy his own pride and ego, ultimately leading to his downfall. His stubbornness and single-minded focus on revenge blind him to the consequences of his actions.
The ferocious white whale pursued by Captain Ahab in Herman Melville's novel is named Moby Dick. The novel "Moby-Dick" follows Captain Ahab's relentless quest for vengeance against the whale that caused him great harm, symbolizing man's struggle against nature.
In the film Minority Report, the killer of Ann Lively is revealed to be Danny Witwer, one of the Precrime detectives. He was manipulated by the mastermind behind the crimes to commit the murder.
Ahab is a biblical name meaning "uncle" or "father's brother." It is commonly associated with the character in the Book of Kings who was a wicked king of Israel. In literature, Ahab is also known as the obsessed captain in Herman Melville's novel "Moby-Dick."