Try to visualize a bird with fixed wings that cannot flap its wing. A strange bird cannot hunt on the ground like other animals without having to close its wing because it cannot become small to negotiate through a small space and cannot fly. It would find it difficult to survive on a cold day because it wouldn’t be able to pull its wings against its body to conserve heat. The predators would easily spot it because of its extended form. Therefore, flying in sky is the safest place for bird to survive.

In both the nature and manmade worlds, many things must change between a bigger and smaller state as part of their normal functioning. We can look at birds, for instance, and observe how they expand their wings to catch the air and fly. We also notice on a cold day how same wings are pulled close to the body along with the head, legs, and feet, to conserve heat. In cold we try to close our body parts in order to conserve heat, while in summer shed the cloths to enjoy the fresh air to cool the body.

Is it a wonder how an unborn infant survives inside the mother’s womb, so delicate yet robust against the hostile outside environment? The figure bellow is the drawing of an unborn infant in a closed environment qualifying the enclosure and smaller & larger paradigm.

Plate 2A Leonardo da Vinci  (Drawing)	2B Man-made Compact Product

(Source:http://www.google.co.in/search?hl=en&q=Michel+Angelo%27s+drawings&bav=
on.2,or.r_gc.r_pw.r_qf.&biw=1341&bih=581&um=1&ie=UTF8&tbm=isch&source=og&sa=
N&tab=wi&ei=6Xo_UMKUKsKJrAe4qIGQBw#um=1&hl=en&tbm=isch&sa=1&q=Leonardo
%27s+unborn+infant+inside+the+womb&oq=Leonardo%27s+unborn+infant+inside+the+
womb&gs_l=img.12...49320.53742.6.56041.10.10.0.0.0.0.0.0..0.0...0.0...1c.h8i1looOC9I&
pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.&fp=aa007310fab48473&biw=1341&bih=581 ; Aug 30, 2012)