hairless skin, some whales have hair before they are born but not after, others have hair follicles (the organs from which a hair grows), and some even have some hairs as adults (although it’s barely noticeable).
2516 Accesses 4 Citations Metrics details Different groups of diving vertebrates vary greatly in size, with whales being by far the largest. A comparative investigation of the links between swimming speed, size and metabolism provides clues to the reasons. This is a preview of subscription content,...
Owls are very popular species of birds because of their huge eyes and their so-called reputation of being very smart and wise. Birds in general are thought to be very intelligent with some species thought of having equal intelligence to mammals. Owls mea
A.Whales are mammals(哺乳动物).B.Whales live in the sea.C.Watching for whales takes patience(耐心).(2) Why does the girl have binoculars(双筒望远镜)? A.to help her see things close upB.to help her see things far awayC.to help shade her eyes from the sun(3)...
Beaversare one of the few mammals that mate for a lifetime, only choosing to find another mate if their original mate dies. But here's where it gets interesting: there are two types of beavers, European beavers and North American beavers. ...
It’s certainly not unheard of among killer whales. While all killer whales are considered one species (for now, there has been recent conversation about splitting them into separate species or subspecies) they can be differentiated by physical characteristics like fin shape, size, and saddle ...
“No other mammals that use vocal displays as part of reproduction have flexibility like this,” says Mercado. “Birds don’t have comparable control over their songs. I think humpback whales are probably doing something beyond just showing off and that people haven't really caught on to it ...
April 16, 2024:The humpbacks are back! Marine biologist Nancy Black has been studying whales off the coast of Northern California, mostly in Monterey Bay, since at least 1997. All that time, she has been logging reports of sightings of whales and other marine mammals to the websiteMonterey...
More than a quadrillion quadrillion individual viruses exist on Earth, but most are not poised to hop into humans. Can we find the ones that are?
Whales are mammals. If these two statements are true, can we conclude from them that whales walk. Bl3. All things that have a motor need oil. Automobiles need oil. If these two statements are true, can we conclude from them that automobiles have a motor. Bl4. All living things need ...