Jellyfish can float in the water. What helps them do this? A. Their tentacles B. Their light body C. Their strong muscles D. Their sharp teeth 相关知识点: 试题来源: 解析 B。解析:水母能在水中漂浮是因为它们身体轻。选项 A 触手不是漂浮的原因;选项 C 强壮的肌肉不对;选项 D 它们没有牙齿...
We don't go swimming from October to March because there may be box jellyfish in the water. The box jellyfish is one of the most dangerous jellyfish. __{3}__ If you are attacked by one, the best thing to do is to pour vinegar(醋)over the area of your ...
Saw at PSB baby jellyfish got one of it anyway any of u can warn me of precautions keeping it.. i mean wanna keep it healthy.. do they need cold water??? or anything special?? food?? what do they mainly eat?? are the possible to keep?? thanks..
give you one nasty sting if you don’t watch your step. Cute but dangerous, I can’t say they would make for very good pets or companions… But if you ever need a watch guard for your private beach, don’t bother with a dog; A jellyfish will surely keep those nasty intruders out...
【题目】Jellyfish (水母) mainly live in oceans. Some can also live in fresh water. Unlike real fish, jellyfish do not have backbones. In【1】, they don’t have any bones at all. They don’t have brains, eyes, ears and hearts, either. However, Jellyfish do【2】(good) without the...
Another interesting question is why fish can’t breathe out of water. Certainly, there’s still plenty of oxygen for them, right? Unfortunately, fish can breathe underwater but not on land because their gills collapse out of water. The gills are made of thin tissues that need the flow of...
【题目】Jellyfish (水母) mainly live in oceans. Some can also live in fresh water. Unlike real fish, jellyfish do not have backbones. In【1】, they don’t have any bones at all. They don’t have brains, eyes, ears and hearts, either. However, Jellyfish do【2】(good) without the...
If it's in the adult stage of the life cycle, it can revert back to its juvenile stage. This species is often likened toBenjamin Button. Scientists have yet to fully understand how these jellyfish developed their abilities, but they're learning thatother jellyfish speciesmight have evolved ...
If it's in the adult stage of the life cycle, it can revert back to its juvenile stage. This species is often likened toBenjamin Button. Scientists have yet to fully understand how these jellyfish developed their abilities, but they're learning thatother jellyfish speciesmight have evolved ...