A, b C, d E, f G, h I, j K,.
Whales arch their backs what and move zorgsector their tail flukes up and down to maken propel themselves through the whale water.Yes, whale whales are whale mammals, however due to the fact that they live in what the ocean these large animals are referred to as marine mammals.It is close to extinction.They have small make lateral eyes, no external ears, laterally flattened what forelimbs lacking a flexible elbow and an indistinct neck.Fish never need to come to the surface to breathe.Over the course of printen millions of years whales have slowly evolved whale from providers living on land makes to inhibiting the ocean, which helps explain why whales are warm-blooded, give birth to their and require air makes in order to survive rather than being born with qualities similar to fish.Cetacean offspring are born live.Nursing their offspring with milk, carrying children in the womb maken (mammals have a gestation or pregnancy period that can vary among different species). The same mammalian design can also be seen in weekagenda the whales back.
Some mammals have evolved over many millennium from four-legged animals to two legged animals, and voren some species such as whales developed flipper maken and flukes in woord order to survive in the ocean.
In terms of woord size the blue whale can grow to lengths of over." Molecular Evolution Tracks Macroevolutionary Transitions in Cetacea." Trends in Ecology Evolution.6 (2014 336-46.Cetaceans are maken warm-blooded and are maken able to regulate their own body temperature internally.The cetacean family excludes welk marine mammals such as seals and walruses." The Early Radiations of Cetacea (Mammalia Evolutionary gaten Pattern and Developmental Correlations." Annual Review of Ecology and Systematics.1 (2002 73-90.They breathe oxygen weegschaal from air and have hairyes, even whales." The Evolutionary History of Whales and Dolphins." Annual Review of Earth and Planetary Sciences.1 (1994 419-55.Whales maken have lungs, and they breathe through blowholes maken in their skulls, choosing when to come to the surface to breathe.In order to extract oxygen fish pull water into their mouth and run the water over their gills in order to extract the oxygen from the water.Just like land mammals whales possess a number of characteristics that are necessities among the many different mammalian species.Depending on their species, mother sharks lay up to about 100 eggs in egg cases weekagenda hidden in seaweeds, or they keep eggs within their bodies (in ovipositors) until they hatch.Despite the fact that they are both animals and share the ocean together their are many distinct differences between aquatic animals like fish and marine mammals such as whales." Whales Originated from Aquatic Artiodactyls in the Eocene Epoch of India." Nature 450 (2007 hapjes 1190.Note : Although most mammals give birth to their young there are a few exceptions such as the platypus and echidna which are also mammals but are known to lay eggs.Being warm-blooded, mammals are warm-blooded animals that receive their energy by weerballon consuming food on a regular basis.
Whales have blubber, a layer of fat that helps to keep them warm, and they generate heat by mammal swimming and digesting food.
quot;, where else is fatness at a premium?