Frogs are an integral part of our existence on this planet and have every bit as much right to exist as do we. Moreover, if we allow one-third of the world’s amphibians to disappear, we set a bad precedent: perhaps future generations will use our irresponsible actions to justify allowin...
Why are frogs amphibians and not reptiles? Why do amphibians undergo metamorphosis? Why are amphibians and reptiles cold-blooded? Why is tiktaalik considered to be a fish and not an amphibian? Why don't amphibians have exoskeletons? Why do amphibians live near the water? Why must amphibians ...
Why are frogs considered ecologically friendly? Why is it harder to clone animals than amphibians? How does global warming affect amphibians? Why did the temnospondyls survive the Permian extinction? Why didn't dinosaurs evolve? Why is biodiversity declining? Why are there endangered species in gr...
Harder, who was lead author of the 2023 study, said this study suggests these mushrooms are in the process of an evolutionary development and can be invaders of living plants under favorable conditions, but that live frogs are definitely not ordinary terrain....
根据Many of her videos are fun to watch and a lot of people love them.(她的很多视频都很有趣,很多人都喜欢。)可知很多人都喜欢看库克的视频。故选D。(3)细节理解题。根据 Cooke is especially interested in frogs and other amphibians (两栖动物).(库克对青蛙和其他两栖动...
Professor: Right! All animals are considered either endotherms or ectotherms. Therm- that means heat, and the main thing that distinguishes endotherms from ectotherms is the source of body heat. So an endotherm, endo- meaning internal, an endotherm's body heat mainly comes from inside its body...
听力原文: I want to talk today about some studies. They seem to indicate that there is a startling world-wide decline in the number of amphibians, such as frogs, toads and salamanders. There's little doubt that one reason why the number of amphibians is
UnlikeLeptopelis aubryi, these frogs are predominantly freshwater species. They prefer water bodies that are still and motionless. Therefore, they are often found in calm creeks and marshes. These amphibiansbreathe underwatervia a process called cutaneous respiration. It is a process where the frog ...
打个比方就好比每天晚上你的电脑或者手机要进入维护模式,进行磁盘碎片整理(memory 的转移和索引),安装固件更新漏洞补丁(增强免疫系统功能)之类的,喝醉昏睡过去大概就等价于强行拔掉电源——虽然两种情况电脑都黑屏了,但是第二天重启的时候立刻就会知道区别很大。而熬夜晚睡则相当于长期运行内存效率低下、没有补丁的“裸奔...
Back at Daintree we saw this White-Lipped Tree Frog,Litoria infrafrenata. This is the largest tree frog in the world. There are other larger frogs but these are unable to climb: Back at Mossman, we photographed a Giant Orb Weaving spider,Nephila pilipes. This individual had a span across...