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After having the idea,Anderson studied some of the well-known extinct animals. She chose a mammoth (猛犸象) and adinosaur for the Gs, a dodo bird (渡渡鸟) and passenger pigeon (侯鸽) for the Os, a Tasmanian tiger (塔斯马尼亚虎) for the L and a saber-toothed cat (剑齿虎) for the...
From locally extinct to functionally extinct, here are the various ways scientists track species’ decline.
What is an extinct animal配套练习 1.What is a dodo? a)It is a bird like a seagull. b)It is an animal like a cow. c)It is an animal that has a funny flat mouth. 2.Why does Carl say, "I'm to blame."? a)He didn't glue the stamps in. b)He thinks he dropped the stamp...
通读全文,尤其是第一段 "The mystery of why sailors gave such varieties of accounts of what the dodo(渡渡鸟) looked like has finally been solved — the extinct bird lost feathers once a year, completely changing its appearance "可知,本文主要讲的是以前人们对渡渡鸟的外表有各种各样的描述。最近,...
Extant birds range in size from the 5 cm (2 in) Bee Hummingbird to the 3 m (10 ft) Ostrich. The fossil record indicates that birds evolved from theropod dinosaurs during the Jurassic period, around 150–200 Ma (million years ago), and the earliest known bird is the Late Jurassic ...
🦣 Dodo Bird Representing the extinct bird. 🦏 Rhinoceros Representing the large mammal. 🦛 Hippopotamus Representing the large mammal. 🐭 Mouse Face Representing a generic mouse. 🐁 Mouse Indicating a specific type of mouse. 🐀 Rat Indicating the rodent. 🐹 Hamster Face Representing a ...
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...
The 3-foot-tall bird was swept away in the 17th century just 100 years after it was discovered by colonists. Not only did this fat and flightless bird become delicious food for humans, it also became prey for dogs, cats and pigs. Researchers brought with the sailors as they explored the...
根据文章第一段 The mystery of why sailors gave such varying accounts of what the dodo looked like has finally been solved-the extinct bird lost feathers once a year, completely changing its appearance. 为什么水手们对 dodo 鸟的外貌给出了如此不同的解释,这个谜终于被解开了——这种灭绝的鸟每年会...