When an animal becomes extinct(已灭种的), we will never see it again. How sad! What do animals become extinct?24.___The event at the end of the Cretaceou period caused the extinction of the dinosaur that ruled the earth for 160 million years.25.___People are cutting down large forest...
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What is an extinct animal 配套文本及练习 配套文本 Guyu: What's that? 谷雨: 那是什么? Carl: I don't understand. 卡尔: 我不明白。 Guyu: What's that animal on the stamp? 谷雨: 邮票上是什么动物? Carl: I'm not sure. 卡尔: 不太清楚。 Cathy: Hi, Guyu. 凯茜: 嗨,谷雨...
Animal Extinction | Overview, Facts & Examples Extinct Animal Facts: Lesson for Kids Fossil Evidence for Biological Diversity, Speciation, & Mass Extinction Asteroid Impact Theory & Dinosaur Extinction Dinosaur Extinction | Overview, Causes & Theories Dinosaur Extinction Theories: Lesson for Kids Evolution...
Dinosaurs became extinct at the end of the Cretaceous Period. How and why is a puzzle that paleontologists are trying to solve by studying fossils and rock formations. These fossils and rock formations do not give all the facts, so scientists must take the information and make educated guesses...
aevery year thousands of wild animals and plants become extinct 。 according to the red list of the international union for the conservation of nature ,more than 12,000 animal speces are now in danger the question is what can we do help them in their struggle fpr survival? 每年数以万计野...
Are you ready to uncover your true spirit animal? Take the captivating "What Is Your Favorite Animal?" quiz and embark on an adventure through the fascinating world of animals. This thrilling quiz will delve into your deepest preferences, personality traits, and instincts to reveal the creature ...
Get ready to unleash your inner wild as we prowl into the heart of the animal kingdom, where the biggest cat in the world roams. And no, we're not talking about Barivel, the Maine coon who holds the record for the longest domestic cat in the world.
4 Why might cloning an extinct animal be a bad idea' 5 Why do many people worry about cloned food? 3 Match the topics with the paragraphs. Paragraph 1 A Possible uses of cloning in the future Paragraph 2 B Whether cloning is good or bad Paragraph 3 C Current uses of cloning Paragraph...
What extinct animals are being brought back? How many organisms lived on Earth before the Cretaceous extinction? What mammals disappeared in the Triassic Period? How did animals survive the Cretaceous extinction? How many mammals lived before the Permian extinction? What major animal group flourished ...