字幕列表 影片播放 列印英文字幕 Smart Learning for All. Life Cycle of a Frog. Hey, stop. Do not harm my babies. Stop it. Let us study about the eggs. A female frog lays hundreds of eggs, after which the male fertilizes them. Some of these eggs get destroyed on exposure to wind and rainfall. Therefore, out of hundreds of eggs, only a few get fertilized. A layer of jelly holds the eggs together and provides protection to the eggs. This whole mass of fertilized eggs in the jelly is called a spawn. Thanks for the information. Please come back after few weeks. Few weeks later. Hi, how are you? Hi, you are just in time. The eggs are about to hatch. After a few days, the tadpole hatch out of the egg. It feeds on the yolk of the egg from which it hatches. After a few days. External gills appear. Wow. Tail elongates. Wow, my tail has increased. Fins develop. After a few weeks. External gills disappear. Where did my gills go? Tadpole develops hind limbs. Yes, I have got hind limbs. What is happening to me? After a few days, a tadpole. Develops into a froglet. Wow. I feel like a grown up. Develops forelimbs. This is so amazing. Develops lungs for breathing. Final stage. Tail becomes smaller and finally disappears. Where did my tail go? Frog enters the adult stage. Hey, congrats. You are an adult now. Thank you. Now, you know all about a frog's life cycle. Fertilized egg. Early tadpole. Tadpole with gills and fins. Tadpole with hind limbs. Froglet. Froglet with reduced tail. Adult frog. The End. Subscribe to our YouTube channel: Smart Learning for All.
B2 中高級 美國腔 青蛙的生命週期|#aumsum------。 (Life Cycle of a Frog | #aumsum) 18 2 AumSum 發佈於 2021 年 01 月 14 日 更多分享 分享 收藏 回報 影片單字