And what happens when an animal hibernates is much more dramatic than simply curling up for an extended nap; extreme metabolic changes are taking place. The animal's heart and breathing rates slow down, and its body temperature drops. Depending on the species, days or even weeks may pass ...
Did birds evolve from amphibians? When did the first amphibians move to land? Do amphibians have a heart? Do amphibians have skin or scales? Do amphibians breathe through their lungs? What adaptations do amphibians have for life on land?
Once the eggs are laid, the female will have no other association with the young. While they are well-hidden from predators, very few butterflies make it to adulthood. Most will fall prey toants, birds, small mammals, and other predators. If they manage to survive this far, then most eg...
Do Grey Squirrels Hibernate? Grey squirrels, or Eastern grey squirrels, primarily live in the Eastern half of the U.S. and southern Canada. There is… What an Orca’s 1,000-Mile Swim Really Means Have you ever wondered whether your dog or cat experiences feelings of joy and sadness?
migrate . They travel to other places where the weather is warmer or where they can find food. Many birds migrate in autumn. The trip can be dangerous, so some travel in large groups. For example, the geese(雪雁) fly in noisy, "V"-shaped groups. Other kinds of birds fly alone....
Birds that stand four feet tall and look like they are wearing tuxedos, these are the mighty emperor penguins. In this lesson you will learn more about their environment, diet, raising babies, and adaptations. Related to this Question
B Animals do many different, amazing things to get through the winter. Some of them migrate. They travel to other places where the weather is warmer or where they can find food.Many birds migrate in autumn. Because the trip can be dangerous, some travel in large groups. For example, gees...
Birds and butterflies can fly.Many of them leave.They go to a place with nice weather.Then they come home in the spring.We call this migration (迁徙).Migrating is a good way to avoid the cold. Another good way to avoid the cold is to sleep through it.Many animal...
to avoid the cold is to sleep through it. Many animals hide during the winter. Their bodies slow down. To save energy, they do not eat. They live off the fat in their bodies. They do this until they can get food again. We call this hibernation. Snakes, frogs, and bears hibernate....
67.第五段第三句“动物的体温下降,心跳和呼吸变缓” 6.第六段第一句“ water makes good protectton for uany ainals" 水给许多动物提供了保护 6.第一段第一句" Anouals do many different、 amazing thigs to get through the winter?动物做许多不同,令人惊的事去过冬 7. Every tyre of每种 oun life...