Penguins

Essay specific features

 

Issue:

Science

 

Written by:

Michael R

 

Date added:

April 1, 2011

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 1010

 

Was viewed:

9002 times

 

Rating of current essay:

 
Essay content:

But researchers have discovered that penguins can apparently see equally well in both environments, because of the unique structure of their eyes. Penguins have to be able to see well under water because their diet consists mainly of plankton, molluscs, crustaceans, and the inevitable fish. Through a special slowing-down of their heart rate they're able, like many other diving animals, to stay submerged long enough to search out and chase whatever catches their fancy...
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Through a special slowing-down of their heart rate they're able, like many other diving animals, to stay submerged long enough to search out and chase whatever catches their fancy. On dry land, it's a different story-or has been up to now. Waddling along on their flat little feet, eyes fixed intently on the ground, penguins appear myopic, inefficient and generally out of place...
displayed 300 characters

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