WAEC EXPO 2022

WAEC EXPO
2022


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SKELETON in BIOLOGY

 

SKELETON

DEFFINITION: it’s a frame work of a body

 

TYPES OF SKELETON

HYDRO SKELETON

EXO       SKELETON

ENDO    SKELETON

 

HYDRO SKELETON

HYDRO SKELETON: is a type of skeleton found in tubler organism/ animals like earthworm, milliped, and Cen tripod   

EXO SKELETON

 EXO SKELETON: it’s a type of skeleton found at the outer part of the body of an organism’s example man, coachtroach reptiles (snake). Its also defined as a type of skeleton that wears away (molty).

Man too, has exo skeleton at finger nails, and also the teeth. Exo skeleton is also found in other mammals like cattle, goat, sheep, donkey, this exo skeleton is always located at the soul of the above listed mammals, the hones and the teeth.

 


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