D. FoxD. FoxD. FoxNew ScientistFox, Douglas, 'Why we dont lay eggs,' New Scientist, (12 June 1999), magazine issue 2190
Since then, a plethora of brood manipulations has shown that birds can rear more young than the number of eggs they lay, and prompted a search for negative effects of increased effort on future reproduction. However, recent studies have shown that the demands of laying and incubating eggs ...
Reptiles With HSR Exotics: WHY WONT MY SNAKE LAY EGGS?! - S01EP05 Reptiles With Edit Runtime 34m Contribute to this page Suggest an edit or add missing content IMDb Answers: Help fill gaps in our data Learn more about contributing
Sea turtles lay their eggs on the beach. Why don't they lay eggs in the sea? A. The eggs need air to develop B. There are too many predators in the sea C. The beach is warmer 相关知识点: 试题来源: 解析 A。解析:海龟在沙滩上产卵是因为海龟蛋需要空气来发育,虽然海里有捕食者可...
A. The eggs need water to develop.(卵需要水来发育。) B. It's easier to lay eggs in water.(在水中产卵更容易。) C. Frogs like water.(青蛙喜欢水。) 相关知识点: 试题来源: 解析 A。青蛙在水中产卵是因为它们的卵需要水来发育。选项 B 和 C 不是主要原因。反馈...
C.To put more fresh air into his chicken-house. 3.Why was Mr.Hill not interested in the owner's suggestion? [ ] A.Because it was quite cool in his own house.B.Because his wife couldn't lay any eggs for him.C.Because he only thought of how to make hens lay more eggs. 4....
百度试题 结果1 题目5. Why do some animals, like the frog, lay many eggs?To ensure some of the eggs hatch and develop into adults 相关知识点: 试题来源: 解析 To ensure some of the eggs hatch and develop into adults 反馈 收藏
This isn't a flour or rice situation: Brown eggs are not more "natural," and white eggs have not been decolored with bleach. Both varieties occur completely naturally, as do bluish-green chicken eggs. But really, all chicken eggs are the same on the inside. So what causes different egg...
D) 3. Why do many frogs spend the summer in the holes? A. To lay eggs(产 ). B. To get food. C. To avoid the enemies. D. To avoid the heat.()4. Bats sleep A. upside down B. in the hole C. in the tree D. on the side 相关知识点: 试题来源: 解析 答案见上 反馈...
aNervousness hummed in air as students waited to play. 当学生等待演奏,神经质在空气哼唱着。 [translate] aSeriously, though, I think hens are one of the best animals, why? Because they can lay eggs. Eggs and milk are good for our health. [translate] ...