Can amphibians hear? Can amphibians have gills? Do amphibians lay eggs? Do amphibians have sense organs? How are amphibian lungs different than ours? Are aquatic frogs amphibians? Are amphibians and reptiles mammals? Are fish amphibians? Did amphibians evolve from reptiles? Did amphibians evolve bef...
1. Frogs can(吸收) oxygen through their lungs and skin. 试题答案 在线课程 1. take in 题目来源:全品作业本高中英语选修8新课标人教版>Period Three Using Language 练习册系列答案 星空小学毕业总复习系列答案 新活力总动员暑系列答案 龙人图书快乐假期暑假作业郑州大学出版社系列答案 ...
Whales can hold their breath for a long time. What helps them do this? A. Big lungs. B. Strong hearts. C. Sharp teeth. D. Long tails. 相关知识点: 试题来源: 解析 A。鲸鱼能长时间屏住呼吸是因为它们有巨大的肺。强壮的心脏、锋利的牙齿和长长的尾巴都不能帮助它们长时间屏住呼吸。
These frogs spend most of their time at the bottom surface of thefish tank. They are nocturnal creatures. They sleep during the day and remain active at night. However, beginner aqua owners often wonder,“how do African dwarf frogs sleep?” and “do African dwarf frogs sleep with their eye...
- Andie handles an impossible, situation with grace. That's not to be admired? 小安面对这种艰难的人生境遇还能镇定自若,难道不值得赞扬吗? - You see grace because you want to see grace. 你觉得她镇定自若只是因为你希望看到她这样 - You don't see grace because you won't go anywhere near her...
Forests are lungs of the earth. Without them,it cannot breath.It needs its forests to remove carbon dioxide from the air and to make oxygen. In many countries,such as New Zealand, Canada, and Brazil, forests were cut down to provide wood to build houses. Many ...
Besides, a deep water tank or a basking dock without a ramp can be responsible for your baby turtle’s drowning. The baby turtles can not hold their breath for a long time underwater as their lungs are not that strong. So, experts suggest keeping the water level as low as possible in...
The chronic condition causes inflammation in the airways that leads to the lungs, causing shortness of breath, chest tightness or pain, and wheezing. People with asthma can experience particular difficulty breathing when they simultaneously have respiratory infections like the common cold or the flu....
One study found that Black people with PAH were more likely to have connective tissue disease, and Hispanic people were more likely to have heart disease. The white participants in the study were more likely to have inherited PAH or to have exposure to toxic substances. There were other ...
根据Their study found that air pollution is harmful (有害的) to pollinators (传花粉者) – insects like bees and butterflies.They can't smell flowers because of the pollution.(他们的研究发现,空气污染对传粉昆虫有害,比如蜜蜂和蝴蝶。因为污染,它们闻不到花香。)可知它们闻不...