如,第1小题,根据with their milk,结合选项,可知应是雌性用乳汁喂养幼崽,故答案选B。第2小题,根据上文a man will suffer brain injury if he gets no air for as little as four or five minutes. 如果一个人只有四五分钟没有空气,他的大脑就会受伤。可判断如果他的空气供应被切断的时间超过这个时间,他...
So, while sharks and dolphins might share the same ocean and have similar body shapes, they’re two completely different creatures. One’s a mammal, the other’s a fish. One breathes air, the other breathes water. One has a single set of teeth, the other has a conveyor belt of chomper...
Rachel, 11, is afraid of the jellyfish living off the coast of Australia. It’s OK for Rachel to be afraid of that big jellyfish because it’s truly dangerous. But she doesn’t have to be afraid of it all the time. It only lives in certain ocean waters. So when she’s not ...
Maine is a state in the northeastern United States of America. Its capital is Augusta. mako shark The mako shark is a very fast shark with bluish skin. mallard The Mallard is a common wild duck. mammal Mammals are warm-blooded animals with hair that nourish their young with milk. ...
Ask a question Search AnswersLearn more about this topic: Internal & External Fertilization | Definition & Differences from Chapter 46 / Lesson 4 57K Understand internal fertilization by learning the internal fertilization definition. Explore the differences between internal and external fertilization....
What's a long-snouted fish? 4 letter answer(s) to long-snouted fish PIKE. What is a large bear like mammal? Synonyms, crossword answers and other related words for BEARLIKE MAMMAL [panda] What is a nutty sweet called? 6 letter answer(s) to nutty sweet ...
Are sharks and whales considered fish? Are whale sharks mammals? A whale shark is not a mammal;it is a fish— more specifically, a shark. Though whale sharks may behave like their gentle mammalian namesakes, they are in fact not mammals, but fish. ...
A common amphibian is the frog which is able to live in water and on land。 A mammal feeds its young by giving milk。 There are very great differences between a fish, a frog, a horse, a bird and a man; yet they all have a backbone....
mammal That is to say, its babies are (2)___alive, and they drink milk from the mother's body.The triropotanus is a large grey animal with a big head and mouth. It (3)___four tons or about 4,000 kilograms. Its stomach is seven meters long, and it eats only plants. It is...
Despite not beingparticularly mammal-looking, theearliest true mammalsbegan to rise about 200 million years ago,when dinosaurs were still roaming Earth. However, thetherapsidsstill had important features seen in mammals today. These include a hole on the sides of the skull for the jaw muscle to...