What happens to a saltwater fish when it's put in freshwater?
Thanks to the magical process of osmosis, the fish will explode. Or, rather, it’s cells would, but I like to picture an exploding fish for the epic gore factor.In a nutshell, osmosis is the diffusion of water across cell membrane down a concentration gradient (making it a form of passive transport because no energy is required in travelling down a concentration gradient. Just imagine a rock rolling down a hill; you don’t need to exert any energy by pushing the rock for it to roll down the hill).A saltwater fish is wired to survive in a very salty environment, like the ocean. Since it is surrounded by a high salt concentration (in comparison to water), water will be continuously “pulled” out the fish in order to achieve equilibrium, which is why saltwater fish continuously drink: to replenish the lost water in their bodies.On the other hand, freshwater fish continuously pee in order to remove water from their bodies, because they have a lower salt concentration within them compared to their freshwater environment. Again, because of osmosis, the concentration gradient, etc. etc.Now envision putting a saltwater fish in a freshwater environment (poor thing… don’t actually do that…). A saltwater fish has adapted to its natural habitat by constantly drinking, and placing it in a foreign environment will not change that natural mechanism (at least it won’t survive long enough to change). A saltwater fish has much less water in its body compared to the environment, so it will absorb plenty and plenty of water. It will also DRINK and not PEE like a freshwater fish. It’s going to keep filling up with water until all of its cells explode. And the fish dies.R.I.P.
Good Websites?
so i like websites that can teach me interesting junk. how-to sites, common knowledge i may have missed, not so common knowledge, peculiar news... alot of sites i run into are really stupid and start listing lame trivia facts and stuff that just isnt all that interesting. i dont want to here about stuff that isnt useful. im looking for things that make me think--that i can apply. those of u who also spend too much time surfing the web and being frustrated with all the useless junk taking up space prob kinda get wat i mean. my interests are actually really wide, so im just looking for lots of suggestions here. tell me ur fav finds that i may not know of. thanks much!!!
I need help with Jokes!?
3 people are held hostage by cannibals.the cannibals tell them to bring 10 of the same fruit.the first guy brings 10 apples.the cannibals tell him to shove the apples up his @ss without a problem if his able to do it they let him free.by the time he gets to the 4th apple he is having trouble,so the cannibals eat him.the second guy comes with 10 cherries.cannibals tell him to shove the cherries up his @ss.he shove nine and when his about to shove the 10th,he brust into laughter,so the cannibals eat him.the first two hostage are dead and are talking in hell.the 1st hostage says"dude you were so close,why did you start laughing?".the second hostage then says"O i saw the other hostage coming with ten pinapples". 2nd joke There was this kid named jon who went to school in florida but he was from alabama.in his 3rd grade class the students are learning how to count to 100.jon was the only kid who can count to 100.jon goes to his dad and ask why is he the only kid that can count to 100.the dad says"its because your from alabama son".the next day the students learn their ABC's.jon is the only one who makes it to Z.jon goes to his dad and ask why am i the only one who can make it to Z."its cause your from alabama son"the dad says.the next day in gym class jon notices his penis is alot bigger than the other kids.he goes to his dad and ask why is his penis bigger than the other kids.his dad says "its because your eighteen son"