What makes mammals different from other vertebrates?
Mammals differ from other vertebrate animals in that their young are nourished with milk from special mammary glands of the mother. Mature red blood cells (erythrocytes) in all mammals lack a nucleus; all other vertebrates have nucleated red blood cells.
What are the 5 characteristics of mammals?
What five characteristics do mammals have in common? Mammals have hair or fur; are warm-blooded; most are born alive; the young are fed milk produced by the mother’s mammary glands; and they have a more complex brain than other animals.
What kinds of wildlife live in Denmark?
Denmark is home to a large number of deer, hare, rodents, bats, carnivores (like weasels and foxes), insects, freshwater fish, more than 300 unique species of birds, and cetaceans directly off the coast. Larger wildlife such as elks, wild boars, and aurochs went extinct in the country after the arrival of humans.
How are dolphins mammals?
Like every mammal, dolphins are warm blooded. Unlike fish, who breathe through gills, dolphins breathe air using lungs. Other characteristics of dolphins that make them mammals rather than fish are that they give birth to live young rather than laying eggs and they feed their young with milk.
How are whales mammals?
Whales are mammals which means that, like humans and other land mammals, they have three inner ear bones and hair, they breathe air, and the females produce milk through mammary glands and suckle their young.
What is the national animal of Denmark?
Red squirrel
National animals
| Country | Name of animal | Scientific name (Latin name) |
|---|---|---|
| Denmark | Red squirrel (national mammal) | Sciurus vulgaris |
| Mute swan (national bird) | Cygnus olor | |
| Small tortoiseshell (national butterfly) | Aglais urticae | |
| Dominican Republic | Palmchat | Dulus dominicus |
What is Denmark’s national flower?
the daisy
… that the national flower of Denmark is the daisy? Strickly speaking, the flower is not very Danish. It was originally imported from the Canary islands. However, today the cute little flower embellish the grass fields all over the country in the summer.
What do dolphins use their nose for?
They create these sounds using nasal sacs in their heads and their blowholes. When the clicking sound reaches an object, it bounces back to the dolphin as an echo. Dolphins can process this information to determine the shape, size, speed, distance, and location of the object.