Then it needs to rest.Biggest land mammal The elephant is the biggest land mammal. It weighs more than 5tons-that's as much as 80 people.Looking out for each other Many grazing (吃草)mammals, such as buffaloes and wild horses, live together in large groups. This helps keep them safe ...
Bats are interesting animals that can fly They are the only mammals 哺乳动物)that can do this 16 .Do you know how bats find their ways? In fact( 事实上)bats "see" with their ears. Most bats make a sound( 声音) when they fly. And the echoe( 回声) of the sound comes back to the...
Josh picked up the five triangles"This shape has three sides and is called a triangle.there are two small. one medium, and two large triangles in the puzzle." Miss Hess held up another shape."What makes this one a square?" Becka answered,"It h...
An animal is considered a mammal if it can produce milk. Other features unique to mammals include hair or fur (chemically different from hairlike structures on non-mammals); the malleus, incus, and stapes in the ear; and a diaphragm separating the heart and lungs from the abdomen. Also, m...
that are considered mammals include warm-blooded vertebrates that have hair or fur and whose babies drink milk. Unlike other animal types like birds and insects, all mammal babies drink milk that comes from their mother’s bodies. This is one of the key ways to know if an animal is a ...
—Bats are interesting animals that can fly. They are the only mammals (哺乳动物) that can do this. 36 Do you know how bats find their ways? In fact (事实上), bats "see" with their ears. Most bats make a sound (声音) when they fly. And the echoes (回声) of the sound come ...
Its eggs hatch after about ten days, and then thebaby platypus 8(nurse)from its mother like allother mammals. It has a capacity 9(fandx+f(dx)/(dx) in the water by using electrical sensors in its bil. There areonly a small handful of animals in the world 10candothat! 相关知识点:...
Large animals that inhabit the desert have evolved a number of adaptations for reducing the effects of extreme heat. (31) adaptation is to be light in color, and to (32) rather than absorb the sun’s rays. Desert mammals also depart from the normal mammalian practice of maintaining a (...
All mammals have a skeleton and lungs to breathe with. Mammals live all over the planet. Below ground, under the sea, in freezing climates and blazing heat. There is only one mammal that can fly - the bat! The largest mammal on land is the African elephant. It uses its long trunks to...
A mudskipper is an odd fish that can jump out of the water, skip across mud, and climb a tree. A halibut is a big, flat fish that has both eyes on the same side of its head. 跳泥鱼是一种奇特的鱼,可以跳出水面,跳过泥泞,然后爬树。大比目鱼是一...