Almost all birds are built for flight, with adaptations that serve... Learn more about this topic: Birds | Characteristics, Features & Importance from Chapter 18/ Lesson 1 105K Learn about the characteristics of birds and understand what makes a bird a bird. Study examples of birds and see...
Choose the correct letter,A,BorC. Boat trip round Tasmania 11What is the maximum number of people who can stand on each side of the boat? A. 9 B. 15 C. 18 查看解析: 查看解析 还没有账号?马上注册 12What colour are the tour boats?
Mammals are a group of animals that are distinguished by certain traits and features, which set them apart from other animals.Answer and Explanation: The main features of a mammal are: presence of hair or fur, warm blooded, nourish their young with milk that they produce, and most give birt...
"If there are gases coming out.they coul d provide energy for a whole range of bacteria. A cave is also a protection from radiation; the surface of Mars is expose d to high levels of space radiation. "The caves probably forme d when tube-shape d lav a flows spre a d across the ...
Comparing features of reptiles and birds D. Studying bones and structures of modern birds E. 。细节明白得题。由最后一段This new research is throwing light not just on how F. irds G. ame to fly, but more specially on how feathers came to be the way they are today. 可知, 这次新的研究...
best friend! They work like two small telescopes joined together, allowing you to use both eyes to see distant birds as if they were right in front of you. "They're perfect for spotting feathered friends in the wild, whether the birds a...
So could it be that Earth really is unique? All living things on Earth are made of the same building blocks, long carbon-based molecules.所以地球真的是独一无二的吗？地球上所有的生物都有着相同的组成成分，即长碳基分子。Scientists now think that a large proportion of these molecules came from...
Several species of woodpeckers use their bills as wedges to pry the bark off trees to reach the insects underneath and then lap them up with their long, sticky tongues. 6.What physical features are characteristic of birds that eat insects? Click on two answers. A. A thick, cone-shaped ...
All tetrapods are animals with limbs in early times.backbones an d most move on land. They also have four limbs (肢)-or B. Animals without backbones aren't their ancestors did, as in the case of snakes an d whales. Birds count as considere d a tetrapod. C. Mammals an d human ...
What might be the most suitable title for thepassage?A. Birds have different characters from their matesB. Birds are a mysterious world to understandC. Birds of a feather often live togetherD. Birds of a feather aren't necessarily related 相关知识点: 试题来源: 解析 五、【文章大意】...