Survival in Deep Oceans Extreme Environments By: Kelsey Draeger Period 3 Bio II
Why are Deep Oceans an Extreme Environment? <ul><li>The lack of light, pressure, temperature, oxygen and food create barri...
What are the maximum limits that the human body can endure the deep ocean environment? <ul><li>Only an experienced snorkel...
What are some of the body systems that would be affected by this environment? <ul><li>*Respiratory System </li></ul><ul><l...
Examples of clothes and equipment necessary for deep ocean survival: <ul><li>Fiber optics that use LED light and low light...
Human adaptations needed for deep ocean survival and to maintain homeostasis: <ul><li>Adapt large eyes to capture what lit...
<ul><li>Ability to withstand little oxygen. </li></ul><ul><li>Feed on a diet of detritus, and have expandable stomachs. </...
Is it possible for humans to survive in the deep ocean environment? <ul><li>No. There is too much pressure for the human s...
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Survival In Deep Oceans Test

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Survival In Deep Oceans Test

  1. 1. Survival in Deep Oceans Extreme Environments By: Kelsey Draeger Period 3 Bio II
  2. 2. Why are Deep Oceans an Extreme Environment? <ul><li>The lack of light, pressure, temperature, oxygen and food create barriers to the sea life that need to see, feel, feed, reproduce, move, and avoid being eaten by predators. </li></ul><ul><li>Oceans cover around 71% of the earth and the majority of the ocean is still undiscovered. </li></ul><ul><li>Extreme cold temperatures of the water may cause hypothermia. </li></ul><ul><li>Extreme pressure may cause Decompression Sickness, which may lead to death. </li></ul>
  3. 3. What are the maximum limits that the human body can endure the deep ocean environment? <ul><li>Only an experienced snorkeler can dive 30 meters or more for short periods of time. Any more time and more amounts of oxygen is needed. </li></ul><ul><li>At one meter below the surface of the water the net force on a human’s chest (from the pressure difference between inside and outside the lungs) is around 100 lbs! </li></ul><ul><li>Breathing underwater with even a small amount of pressure is near impossible; the human muscles can not handle it. </li></ul>
  4. 4. What are some of the body systems that would be affected by this environment? <ul><li>*Respiratory System </li></ul><ul><li>*Circulatory System </li></ul><ul><li>*Muscular System </li></ul><ul><li>The high pressure in the lungs can push air into the surrounding tissue causing painful air bubbles. </li></ul><ul><li>This may cause a fatal embolism in a blood vessel. </li></ul><ul><li>Decompression Sickness (DCS) may also occur, when the external pressure drops too quickly, causing the nitrogen that is normally absorbed in the blood to literally bubble out. </li></ul>
  5. 5. Examples of clothes and equipment necessary for deep ocean survival: <ul><li>Fiber optics that use LED light and low light cameras. </li></ul><ul><li>To avoid Decompression Sickness (DCS), the use of Nitrox is needed, which is a nitrogen/oxygen mixture that is higher in oxygen content than normal air. </li></ul><ul><li>Submarine that can withstand mass </li></ul><ul><li>amounts of pressure and provide a </li></ul><ul><li>constant normal temperature for </li></ul><ul><li>humans on the inside. </li></ul>
  6. 6. Human adaptations needed for deep ocean survival and to maintain homeostasis: <ul><li>Adapt large eyes to capture what little light exists. The only light is produced by a chemical reaction in the body that creates a low level light, or bioluminescence. </li></ul><ul><li>Strong sense of smell because of the lack of light. </li></ul><ul><li>Develop bodies with no excess cavities that would collapse under extreme pressure. </li></ul><ul><li>Flesh and bones need to be soft and flabby to withstand pressure. </li></ul>
  7. 7. <ul><li>Ability to withstand little oxygen. </li></ul><ul><li>Feed on a diet of detritus, and have expandable stomachs. </li></ul><ul><li>Camouflage of transparent, black, or even red in color. </li></ul>
  8. 8. Is it possible for humans to survive in the deep ocean environment? <ul><li>No. There is too much pressure for the human skeletal system to handle and extreme lack of oxygen and light . </li></ul>Click here to view video

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