WebWhales are a widely distributed and diverse group of fully aquatic placental marine mammals.As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from … WebYes the killer whale is a mammal. In fact the killer whale is the largest living marine mammals in the dolphin family, which is composed of over 40 different species. When fully grown the killer whale can measure in at up to 32 ft. long (16 – 26 ft. on average) and weight as much as 6 tons (3 – 4.5 tons on average).
Is a tuna a fish or mammal? - Quora
Web1 dag geleden · In fact, we don't have much understanding of where many marine mammals give birth. "We do know that whales and dolphins tend to expel the placenta … Web4 uur geleden · FILE-This file photo provided by the Georgia Dept. of Natural Resources shows an endangered North Atlantic right whale entangled in fishing rope with a … scss 循环颜色
Landmark law saved whales through marine industries change
WebWhales are mammals, but many people think they are fish. Although there are similarities, there are also many differences. Whales have the typical five mammalian … WebAnswer (1 of 6): Well Mammals are warm-blooded animals, they breathe air, have hair, and moms feed their babies milk from mammary glands. Whales actually do all of these things! Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water. fish are... Whales are mammals because they evolved from a four-legged, strictly terrestrial mammal known as a pakicetid beginning in the Eocene, about 50 million years ago. During the Eocene, different forms used various methods of locomotion and feeding. These animals are known as archaeocetes, and fossil … Meer weergeven Whales and their cetacean relatives range enormously in size. The smallest cetacean is the Vaquita, a small porpoise living in the Gulf of California, about 5 ft (1.4 m) long and … Meer weergeven There are four main characteristics that set mammals apart from fish and other animals. Mammals are endothermic (also called warm-blooded), which means they need to provide their own body heat through their … Meer weergeven For well over a century, scientists debated whether hippopotamuses and whales were related: The relationship between cetaceans and land-based ungulates was first proposed in 1883. Before the breakthroughs … Meer weergeven To understand what makes a whale a mammal, compare it to an ocean-inhabiting fish of the same general size: a shark. The main differences between cetaceans like … Meer weergeven pc tower image