Why are jellyfish classified as animals despite the fact that they are brainless and lack a central nervous system?Taxonomy:All living organisms are divided into 3 domains; archaea, bacteria, and eukarya. Domain
【1000集全 英文字幕】原版儿童科学 英文动画精选-48.Can jellyfish live forever...[高清版] 01:06 【1000集全 英文字幕】原版儿童科学 英文动画精选-49.Can our Body produce Alcohol...[高清版] 05:44 【1000集全 英文字幕】原版儿童科学 英文动画精选-50.Can Oysters change their Gender Fact...[...
the jellyfish can revert back to the polyp stage. They can do this not just while they are immature medusae, but even after they have attained sexual maturity!
Professor: Ah, glowing jellyfish. That is interesting. Uh, it's called bioluminescence. And actually we are going to talk about it later in the semester. Basically, bioluminescence is light that's produced by a chemical reaction. Student: Really? Inside the jellyfish?
Why is a group of jellyfish called a smack? Why are plankton important to benthos and nekton? Why are protists like animals? Why is an amoeba a consumer? Why does marine phytoplankton calcify? Why are amoeba and paramecium called acellular?
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Professor: Ah, glowing jellyfish.That is interesting.Uh, it's called bioluminescence.And actually we are going to talk about it later in the semester.Basically, bioluminescence is light that's produced by a chemical reaction. Student: Really? Inside the jellyfish? Professor: Well, not all ...
A warming world isn’t bad news for all species. Some, especially small, highly adaptable and fast-reproducing ones,are thriving. But these tend to be things we regard as weeds, pests or unwanted invaders, such as mosquitoes, bark beetles andjellyfish. ...
'Mother tongue' is an interesting English expression. Like many languages, English has a number of gender-specific terms that don’t refer to gender-specific ideas and concepts. And this complicated relationship between language and g...
I say quasi, because jellyfish are translucent. They're not totally see through like the lenses. So you have to wonder why the lenses is. Um, how how is transparent tissue possible? Marlin?Female student: There's no direct blood supply to that part of the eye.Professor: Good. Exactly....