Jellyfish don't have a brain or a heart. They are ___. A. simple organisms B. complex organisms C. warm - blooded animals D. land animals 相关知识点: 试题来源: 解析 A。解析:水母没有大脑和心脏,它们是简单的生物。复杂生物通常具有较复杂的器官系统,水母这种缺乏重要器官的生物属于简单生物...
A jellyfish has no head, brain, heart, eyes, or ears. It has nobones, either. I is 95% water! Scientists say there may be 2,000 kinds of jellyfish.Where do they live?Jellyfish live in the oceans. They live in groups because the currents(洋流) keep themtogether. Some live very ...
根据第一段A jellyfish has no head,brain,heart,eyes,or ears.(水母没有头、脑、心、眼睛或耳朵);第三段The digestive system is very simple.(消化系统非常简单)可知,水母的身体里有一个简单的消化系统,故选C. (2)C.细节理解题。根据第三段We can easily see their ‘inside' because water takes up...
【题目】水中的精灵水母Jellyfish are everywhere in the ocean. They can befound in warm water. They can also be found in coldwater.Jellyfish look a little like umbrellas. There are morethan 400 kinds of jellyfish. Some can give out light.Jellyfish have no heart and no brain, but some...
根据第一段中的Ajellyfish has no head, brain, heart, eyes, orears.,第三段中的 The digestive system is verysimple以及倒数第二段第一句可知答案。6.C细节理解题。根据第三段的最后一句We can easily see their “inside” becausewater takes up the major part of theirbodies, the percentage of ...
They have no head, brain, heart, eyes, have a kind of body,called a"bell".The bell is the big round part that looks like jelly.Inside it are nerves,which are all jellyfish need to move to sense light. Another important part is the tentacles,the long strings hanging from the bell....
Jelly Bodies Like all jellyfish , you have no brain ,heart , blood , or bones . Your body is made of water . muscles , and nerves . You use your eyespots and nerve network to sense up and down , light and dark , and the world around ...
One of the most interesting characteristics of the jellyfish is that the animal does not have a brain. Besides that, they do not have a heart, bones, and eyes too. What do jellyfish eat? Jellyfish eat small plants, small fish, fish eggs, larvae, and other small marine creatures. What...
Jellyfish have no brain, heart, bones or eyes. They are made up of a smooth, bag-like body and tentacles armed with tiny, stinging cells. These incredible invertebrates use their stinging tentacles to stun or paralyse prey before gobbling it up. The jellyfish’s mouth is found in the cen...
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