2007-07-21 11:30:40 · 9 answers · asked by Amber L 1 in Pets ➔ Fish
well if you think about it try to lift a tank filled with 20 gallons of water (pretty heavy) well with that in mind now think of the wieght of all those gallons of water that gravity is acting on the deeper you go. same reason the higher you go in the mountains the less pressure and thinner the air gets and is the reason some people get vertigo from high altitudes. things that live in deepwater have body structures that are built to withstand those extreme forces where humans are not. one way we found to go deep diving is to build submarines that are spherical so the pressure is dispersed over a round surface in simple terms limiting the ammount of force on any particular spot. i can get really into depth but i dont think you want a physics lesson. hope this somewhat answers your question.
2007-07-21 13:02:08 · answer #1 · answered by craig 5 · 0⤊ 0⤋
We can't because at the bottom of the ocean theres tons of pressure have you ever tried to go to the bottom of a pool and ur ears starts to hurt and u feel delirous!???
2007-07-21 18:34:16 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Our bodies are not made to withstand the extreme pressure of so much water on top of us. Only a few, specially "designed" creatures can withstand the pressure. Check out http://64.233.167.104/search?q=cache:VaiKf_-T-QkJ:www.pbs.org/wnet/savageseas/deep-article.html+water+pressure+deep+sea&hl=en&ct=clnk&cd=1&gl=us&client=safari
for more info on deep sea creatures and how they deal with the pressure.
2007-07-21 18:42:28 · answer #3 · answered by Sarah O. 3 · 0⤊ 0⤋
They are engineered to withstand high pressure from the water, we are land animals that are built to withstand gravity, that's all we can handle.
Nosoop4u
2007-07-21 18:34:26 · answer #4 · answered by nosoop4u246 7 · 0⤊ 0⤋
because they have a flexible body and have evolved to go to the depths of thew ocean
2007-07-21 18:42:15 · answer #5 · answered by thomas 2 · 0⤊ 0⤋
B/C we can't breath underwater, the pressure there would crush us, and it's cold and too dark for us to survive down there...duh
2007-07-21 18:37:01 · answer #6 · answered by Keira Matsura 3 · 0⤊ 0⤋
'Cos of the water pressure. Their bodies are adapted to withstand all of that pressure. It would kill us.
2007-07-21 18:39:29 · answer #7 · answered by Zoe S. 3 · 0⤊ 0⤋
how can fishes go up surface on land and die then?
2007-07-21 18:36:20 · answer #8 · answered by dont..trust..me 1 · 1⤊ 1⤋
Cuz we can't breathe underwater! oh my gosh!
2007-07-21 18:34:16 · answer #9 · answered by Anonymous · 0⤊ 2⤋