百度试题 结果1 题目( )7 When are the tree frogs active?A. in the morningB. at nightC. at noon 相关知识点: 试题来源: 解析 B 树蛙通常在夜间活动,因此正确答案是B。反馈 收藏
13. Why are tree frogs hard to find?A. They can change colours.B. They can stand on its toes.C. They can make a dog bark.D. They have sticky toe pads. 相关知识点: 试题来源: 解析 A A. They can change colours.(它们能改变颜色),树蛙能改变颜色就可以与周围环境融合,这会使它们很难...
aThere are two treefrogs considered "sibling species". One is a diploid (normal) form; the other is a tetraploid, with four sets of chromosomes, rather than two. The only other way to tell tham apart is by the call. If you have preserved specimens and cannot karyotype them, you cannot...
too.Some have green eyes,andsome grey.Some tree frogs'eyes are gold,and those of the others are bright red.Thesounds they make in spring and summer are also different.One frog makes a soundlike a dog barking.Another frog makes a loud noise like a snore.There is even a frogthat ...
in the tree frogs in Poland, their sex chromosomes can no longer easily admix. Later on, there will be no gene flow any more at all. "In the tree frog species studied by us, it is amazing that the mating and hybridizations appear to happen mainly in the Polish lowlands", says ...
Interview: Connie Pranger discusses the tree frogs mating in her backyard pond; the frogs are causing a disturbance to some of her neighborsROBERT SIEGEL
4. Why are tree-frogs strange? [ ] A. Because they have long legs. B. Because they can change their colours. C. Because they have big feet. 5. What will happen if we don't protect the tree-frogs? [ ] A. There will be no tree-frogs. B. There will be more and more tre...
We are told in the passage that tree frogs . A. 么名增花压也且南众题效九除增相酸定出么名增花压也且南众题效九除增相酸定出face danger both inside their eggs and in the water么名增花压也且南众题效九除增相酸定出么名增花压也且南众题效九除增相酸定出 B. 把机把机will grow ...
aIn other words, in the case of chlorine, in order to obtain adequate disinfecting effect injection of a large volume will be required. 換句話說,在氯情況下,為了獲得充分消毒的作用射入大容量將需要。[translate] a弹簧垫圈 Spring washer[translate] ...
如果是考语法的话 ,那么这个题就是Tree -frogs are interesting in birds.别的问题我看不出来。“树蛙不是鸟类,是两栖类动物,把birds改为animals。”这个改法,就修改了句子,本身要解释的意思了。 作业帮用户 2016-12-05 举报 interesting-interested in 作业帮用户 2016-12-04 举报 ©...