Crocodiles start making noisesearly on in life– before they’ve even hatched, in fact. Baby crocodile sounds are essential for communicating with their mother and making it out of the nest. Female crocodiles lay eggs in holes in the sand or in mounds of vegetation. After a few months of ...
Fish and amphibians generally lay eggs which are surrounded by the extraembryonic membranes butdo not develop a shell, hard or soft, around these membranes. Some fish and amphibian eggs have thick, leathery coats, especially if they must withstand physical force or desiccation. Which animals lay ...
百度试题 结果1 题目Dinosaurs ___ its eggs, crocodiles do this, too. A. ate B. buried C. lost D. got 相关知识点: 试题来源: 解析 B 反馈 收藏
Longer tusks usually also signal larger testes, another reason why scientists think the tusk is connected to a male's reproductive fitness. But the tusk is also highly sensitive, and may be a sensory tool for detecting changing conditions in the ocean; a 2017 video even shows, for ...
12. All the male penguins will build nests if the female penguins lay eggs.A. RightB. Wrong 相关知识点: 试题来源: 解析 11. **错误**,奶牛喜欢和其他奶牛交朋友。 12. **错误**,并非所有的雄性企鹅都会在雌性企鹅产卵时筑巢,有些企鹅根本不筑巢。 1. **问题11分析:** 文章第一段提到,奶牛...
根据短文内容,判断下列句子正误。正确的用“A”表示,不正确的用“B”表示。 1.A cow hates making friends with other cows. 2.All the male penguins will build nests if the female penguins lay eggs. 3.Crocodiles swallow stones to help with digestion (消化). ...
For example, thebat-eared foxis one of Africa’s most successful predators, as it catches a meal with 70% of its attempted hunts. However, this precise hunter eats everything from beetle larvae to eggs and fruit as well. Lions are far from Africa’s most successful hunter – that tag ...
Four days later, she gave birth to a baby elephant. The same plant was used by the local pregnant women.11. A cow hates making friends with other cows.A. RightB. Wrong12. All the male penguins will build nests the female penguins lay eggs.A. RightB. Wrong相关知识点: ...
In one night, around 20,000 turtles come ashore to lay eggs. Considering the island is only 32ha in total, with the majority of it shrubbery and of no interest to turtles, that’s more than one turtle for every square meter. And baby turtles bring sharks. Where you come in is with...
Four days later, she birth to a baby elephant. The same was used by the local pregnant women11. A cow hates making friends with cows.A. RightB. Wrong12. All the male penguins will build the female penguins lay eggs.A. RightB. Wrong相关知识点: ...