It must stay awake to breathe and to watch for danger. Dolphin mothers and babies can go without sleep for as long as two months to stay safe.Some ducks sleep with just half their brains, too.These ducks often sleep in a line. The ducks at both ends help to keep the group safe. ...
You should never take an axolotl out of water longer than absolutely necessary because they cannot breathe. It’s okay to take them out of water for small tasks such as moving from one tank to another, but they should be kept in water as much as possible. What is an axolotl? Axolotls ...
When this porpoise surfaces to breathe, it makes a characteristic sound, which is why it is known as “nise” in Norway, which roughly means “sneeze”. 19. Leatherback sea turtle Name: Leatherback sea turtle Scientific name: Dermochelys coriacea Conservation status:Vulnerable The leatherback sea ...
NPR. https://www.npr.org/2019/07/02/737993673/arctic-fox-sets-record-in-walking-from-norway-to-canada / Accessed October 7, 2020 Canada's Arctic. Tiriganiarjuk — Arctic Fox . Anirniliit - those which breathe / Accessed October 7, 2020 Bragg, R. (1970) Which Arctic Animal Has the...
D. What do blue whales and elephants have in common?)43. Which of the following facts are true about whales? Blue whales can be over 27 meters long.All whales have teeth.③ The heart of a blue whale can be about 180 kilos.④ Whales breathe in the water.⑤ Some whales are in ...
根据“Blue whales are the largest animals in the world”以及“Small fish are their favorite food”可知,选项正确;B选项:人们可以在蓝鲸的头顶上看到它们的鼻子。根据“whales breathe air through blowholes on the top of their heads”可知,蓝鲸头顶上的是呼吸孔,不是鼻子,选项错误;C选项:所有蓝鲸的歌声都...
In the wild, dolphins can live to be 50 years old, although the average age is 17 years. Some dolphins can hold their breath for as long as 30 minutes, while others have to breathe every 20 seconds. Bonds form between individual dolphins that may last a lifetime. They've been obser...
答案:Thanks to modern technology, we can know in advance what our house will look like before westart decorating (decorate) it. 67. You can’t put the blame ___ the newcomer because it is unfair to blame him ___ the fault. ...
Earthworms and amphibians, such as frogs, breathe through their skin. They belong to a group of animals which live on land and have a skin thin enough for gases to pass through.
Without clean air to breathe and water to drink, animals can 5.How to Help Can you figure out a way to help animals? Here are some ideas:Don't litter everywhere.Help clean up your block if you live in a city.Pick up trash.Respect the land and animals.Raise money for groups that ...