Digits of the foot of tetrapods. Animals species such as ...
The octopus is very small, only the size of a golf ball, ...
Sea turtles belong to an ancient group of reptiles. Their ...
Coral is a general term for several different groups of ...
The large "spike" of bone that rises above the top of a ...
An essential respiration organ in many air breathing ...
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คำศัพท์
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