(1) Where do the most seals live? A. In the oceans near the poles. B. In the Atlantic Ocean. C. In the Pacific Ocean. (2) What happened to seals around the late 1800s? A. Most of the species moved to other places. B. Many of the species nearly disappeared. C. They became ...
15.Where do the most seals live?A.In the oceans near the poles.B.In the Atlantic Ocean.C.In the Pacific Ocean.16.What happened to seals around the late 1800s?A.Most of the species moved to other places.B.Many of the species nearly disappeared....
life.Some eat seals and fish and some eat se a plants.Some whales like the blue whales don't have29.and just swallow(吞下) food,but some can eat food with their teeth. And whales can't take in air under the sea30., so they need to jump out of water often.Are whales in danger...
Do you think the seal wants to make friends with the mouse? 你认为海豹会和老 鼠做朋友吗? ——No. I don’t think so. 不,我认为不会。Seals live in the ocean while t he mouse cannot live in water. 海豹都生活在大海里,老鼠没法在海里生活呀。 Another tail. This tail is yellowish and ...
Elephant seals spend most of their time in the ocean. But how do they sleep there? A scientist named Jessica Kendall-Bar created a special cap that could 66 the elephant seal's brain activity, heart rate and body movement. When her team put such caps on thirteen young female elephant ...
Dolphins are air-breathing animals that live in the sea. But how do they sleep? If they stop swimming to get some sleep, will they sink and drown? Giraffes have almost no deep sleep. Do they feel tired? Scientists studying seals and dolphins have made a surprising discover—these animals ...
How much do you know about whales (鲸), a kind of fantastic sea animals? Now we are 21•___an ocean park and learning much about them.We know whales 22•___in the sea. Are they fish? A worker in the ocean park gives us the 23•___,“Whales live in the sea and look ...
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Dolphins are air-breathing animals that live in the sea. But how do they sleep? Giraffes have almost no deep sleep. Do they feel tired? Scientists studying seals (海豹) and dolphins have made a surprising discovery一these animals can sleep with one half of their brain while the other half...
Eels are animals that live in the water and look a lot like snakes. However, eels are not snakes, but are actually a type of fish. There are more than 700 different kinds, or species, of eels. Like all animals, eels are grouped in different scientific cl