A group of bats is called a colony of bats. Some also have referred to a group of bats as a camp of bats. Within one colony of bats, there may be 10...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can ...
试题来源: 解析 B。解析:蝙蝠是哺乳动物中能够飞行的一类。它们的前肢特化为翼,通过扇动翅膀来飞行。选项A,直立行走是人类等一些灵长类动物的特征,蝙蝠不能直立行走。选项C,蝙蝠不是以快速游泳为特征的,像海豚等水生哺乳动物才擅长快速游泳。选项D,挖掘地下洞穴不是蝙蝠的特征,像鼹鼠等哺乳动物才擅长掘洞。
D Each night,small groups of a species called free-tailed bats emerge from their habitat in the Panamanian rain forests to hunt for the prey(猎物) using echolocation."When bats are hunting, especially when they're in open areas, they produce two really different call types. They have their...
In a paper published on October 17th in Nature Communications, a group of researchers led by Jorg Müller, an ecologist at the University of Würzburg, describe a better way: have a computer do the job. Smartphone apps ...
36. What is the main idea of this passage? A. All species of bats in North America are dying. B. Scientists already know the cause of the deaths of bats. C. The bat deaths are a serious problem. D. There are many possible causes of the deaths of bats. ...
Membership in a group plays an important function in ensuring their safety and improving their chances of survival from attacks by predators. The most common predators of parrots include hawks, snakes, cats, monkeys, and bats. Some predators make attacks only during the day while others hunt in...
Each night, small groups of a species called free-tailed bats emerge from their habitat in the Panamanian rainforests to hunt for the prey(猎物) using echolocation.When bats are hunting, especially when they're in open areas, they produce two really different call types.They have their ‘searc...
They are called telomeres (端粒). Telomeres protect the ends of chromosomes, which shorten each time a cell divides. Scientists believe this shortening process causes cells to break down. . A report on bats was published this month in the journal Science Advances. Among the leaders of the ...
sea duck- any of various large diving ducks found along the seacoast: eider; scoter; merganser duck down- down of the duck duck- flesh of a duck (domestic or wild) 2.duck- (cricket) a score of nothing by a batsman duck's egg ...
1．Emma gets up early every day, so she is ___ late for school.A．oftenB．usuallyC．alwaysD．never 【答案】句意：艾玛每天早晨都早起，所以她上学从不迟到。考查副词辨析。often经常；usually通常；always总是；never从不。根据前句中“Emma gets up early every day”可知，艾玛每天都起床很早，所以她...