When we drink saltwater it can kill us, yet our oceans are teeming with life. Why can some species survive in saltwater while others can't? Why Can't Some Birds Fly? ▻▻▻▻ http://bit....
========== Salt is everywhere on our planet, but some
animals evolved to live in it while, others didn't; what happened there? What caused this
split? Sup salty dogs, thanks for watching DNews,
I'm Trace. Water is everywhere and is one of the main reasons life was able to evolve
on Earth. It's pretty great. Salt is also everywhere. Salt and water together, make
up most of the water on our planet and it's a major component of the beginning of life
as we know it! Organisms need salt to survive. Salt draws
water out of cells in process called osmosis. Osmosis is the tendency of water to flow across
a membrane to balance salinity. Essentially, nature wants to make sure there's a balanced
level of salt everywhere. This is why if you drink saltwater you ...