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...
结果1 题目 ( ) Why are tree frogs hard to find? A. Because they live in trees B. Because they can change colors C. Because their eyes are different D. Because they can make different sounds 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
In the case of the tree frogs, the scientists were lucky to find such natural hybrid zones. The Carpathians form a perfect border between Hyla arborea and Hyla orientalis that are then joined again to the north of the mountains, in the Polish lowlands. When populations are separated (allopat...
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...
Female Call Preferences in Tree-Hole Frogs: Why are there so many Unattractive Males? Animal Behaviour 2004;68:265-272.LARDNER, B. AND BIN LAKIM, M. 2004. Female call preferences in tree-hole frogs: why are there so many unattractive males? Animal Behaviour 68: 265-272.Lardner, B. and...
根据“Tree frogs have long legs and sticky pads (黏性肉垫). The sticky pads help them stay in the trees and jump easily.”(树蛙有长腿和黏性肉垫。黏性肉垫帮助它们待在树上并且轻松跳跃。)可知是黏性肉垫帮助树蛙待在树上。答案是 C。 文中提到 “Tree frogs are hard to find. They can change ...
Some tree frogs' eyes are gold, and those of the others are bright red. The sounds they make in spring and summer are also different. One frog makes a sound like a dog barking. Another frog makes a loud noise like a snore. There is even a frog that whistles!能量补充站branch [bra:...
The term "tree frog" can describe a large number of different species of frog, all of which tending to have long, padded toes suitable for climbing trees. Although they are born in the water, tree frogs tend to spend most of their lives living in or around trees....
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] ...
When people think of tree frogs, they commonly envision the red-eyed tree frog. This species is most commonly found throughout Central America and the upper portion of South America. These frogs have bright green skin, bulging red eyes, and flattened body shape....