Are there emperor penguins in zoos? How deep can an emperor penguin dive? What is the scientific name for emperor penguins? How many species of whales live around Antarctica? Explore our homework questions and answers library Search Browse Browse by subject...
How many legs did sauropods have? How many babies does a Komodo dragon have? How many stomachs does a gorilla have? How many fingers do apes have? How many toes did Stegosaurus have? How many nipples do pigs have? How many species of whales live around Antarctica?
Whales are big,but why aren't they even bigger?A new study says the key factor is how many calories they can take in.Researchers came to this conclusion after using small boats to chase down 300 whales of various species around the world.They reached out with long poles to attach sensors...
Blue whales eat about 3. 600 kil-ograms of food every day.Of course, the most intelligent animals in the world are humans. The second most intelligent animal is the chimpanzee (黑猩猩). Chimps can make tools and build things and they can also solve problems. Some scientists have even ...
the fact that many species live deep in the ocean, hundreds of feet below the surface.Sperm whalesspend much of their time diving deep in search of food. They can reach depths of 3,000 or more feet, which is a little more than a half-mile. So how do we know how long whales live...
creatures. However, they have been accounted for as single people, two by two, or in free conglomerations in the hundreds or thousands. At times, these species partner with different dolphins and whales. They are now and again considered a piece of a subfamily alluded to as “blackfish’...
To better understand the quality of the dolphin's sense of hearing, it can be compared to the hearing of humans, dogs and whales. Dolphins have sharper hearing senses and a broader range than humans do. The human hearing range is sounds from 20 Hz to 20 KHz while the dolphin hearing ran...
Why Are There so Many Kinds of Whales and Dolphins? And we know that many whales and dolphins, like other large marine animals such as tunas and sharks, are almost worldwide in distribution. Some of ... WF Perrin - 《Bioscience》 被引量: 10发表: 1991年 Reciprocal Exchange and Subsequent...
【题目】How long whales live in fresh water has become amatter of some debate with several visits of whales tofresh water environments. The interest in this matterfirst peaked in 1985 when a humpback whale managedseveral weeks in the fresh water of the SacramentoRiver before finally returning ...
this insulating layer is the only thing keeping whales from freezing to death. Whales also use their blubber to store up energy for future use. Some species will feed heavily for half the year, when food is plentiful, and fast the rest of the year, living off their built-up blubber layer...