What do sharks(鲨鱼), turtles(乌龟)and chickens have in common? Of course, they’re all animals. If you know more, you might say they all lay eggs. However, do you know they’re all living relatives of dinosaurs(恐龙)? Then how did dinosaurs disappear(消失)on the earth? Dinosaurs ...
2DWhat do sharks, turtles, chickens,1. A.livingB. dyingand crocodiles have in common? OfC. hatingD. lovingcourse, they're all animals. If you know2.A. brokeB. foundmore, you might say they all lay eggs.C.builtD.ruledHowever, do you know that they are all 1relatives of3.A. Care...
Around 25% of all sharks lay eggs. Most sharks do not lay eggs and instead give birth to live young that have developed inside the mother’s body. The eggs of oviparous (egg-laying) sharks are encased in leathery pouches known as “mermaid’s purses”, which protect the embryo as it ...
Shark eggs often have distinctive spirals or tendrils, while skate and ray eggs are typically more rectangular or pouch-shaped. 5. Are there any species that give birth to live young despite being capable of laying eggs? Yes, some of them, like the great white shark, can produce both eggs...
Are whale sharks dangerous? Is a whale shark bigger than a killer whale? Are whale sharks endangered? Are whale sharks near sighted? Do killer whales attack sharks? Is a whale shark a predator? Do whale sharks have live births? Are whales placental mammals?
slowly.About forty percent of all sharks lay(产) eggs.The others give birth to baby sharks.Some sharks carry their babies inside their bodies as humans do.Some sharks are not able to have babies until they are twenty years old.And each of them gives birth to at most t...
Because they don’t have hands or feet., the only way they can find out an object is to bite it! It is thought that sharks sometimes bite humans for this reason, and then swim away. Scientists also say that sharks would not waste energy trying to eat a human, as we have a lot ...
. About forty percent of all sharks lay(产) eggs. The others give birth to baby sharks. Some sharks carry their babies inside their bodies as humans do. Some sharks are not able to have babies until they are twenty years old. And each of them gives birth to ...
百度试题 结果1 题目Sharks have very sharp teeth. What do sharks use their teeth for? A. eating B. swimming C. jumping D. sleeping 相关知识点: 试题来源: 解析 A。鲨鱼用锋利的牙齿来捕食。反馈 收藏
Sharks that live in deeper water will have more denticles to help them resist the pressure from greater depths. Why do sharks have scales? The purpose of shark scales is two-fold. First, their dermal denticles act as a form of armor for the shark’s body, protecting them from other ...