What was the first animal to be extinct? What types of organisms were eliminated in each of the following mass extinctions: Ordovician, Permian, Cretaceous List and explain the four common characteristics that certain species have that may ...
Welcome to the fifth and final installment of this year’s Gift Guide! I apologize that it has taken me so far into December to finish these round-ups. Putting this Guide together every year is a bit like childbirth. When it’s over, I quickly forget how grueling it was. Then, smack...
What animals are going extinct in the Amazon rainforest? What was the dominant species after the Permian extinction? What whales are endangered species? Is the Florida panther on the endangered species list? What speices was affected the most by the Triassic mass extinction?
A. The animal will become extinct soon. B. People should protect the animal's habitat. C. The animal has no natural enemies. D. The animal is harmful to humans. 相关知识点: 试题来源: 解析 B。本题考查推理判断。A 选项“动物很快会灭绝”,文中没有足够依据表明动物会很快灭绝;C 选项“动物...
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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Another extinct animal is the cape lion (西非狮). The animal has been extinct since 1860. What causes animals to become extinct? Too much hunting is one cause; pollution is another. Governments around the world have begun to protect wild animals in danger. In the United States, the US ...
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...
was the confused owner of a cone five hundred feet high. Within two years it had topped out at almost fourteen hundred feet and was more than half a mile across. Altogether there are some ten thousand of these volcanoes on Earth, all but a few hundred of them extinct. There is, ...
B) Some natives were selling poor-quality food to tourists.C) The number of tourists to the beach is on a steady decline.D) It was tourists not natives who were cleaning up the beach.Section BDirections: In this section, you will hear two long conversations. At the end of each ...