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Dr. Croy
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20th Century
(6)
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Dr. Croy
(6)
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Image Not Available
for Asexual reproduction.
Asexual reproduction.
Dr. Croy
1942
Photograph
Image Not Available
for The birth of a stick grasshopper. This youngster wanders around with the shell still attached.
The birth of a stick grasshopper. This youngster wanders around with the shell still attached.
Dr. Croy
1942
Photograph
Image Not Available
for The chromosome is the core of the reproduction process.
The chromosome is the core of the reproduction process.
Dr. Croy
1942
Photograph
Image Not Available
for The female spider lays an incredible amount of eggs.
The female spider lays an incredible amount of eggs.
Dr. Croy
1942
Photograph
Image Not Available
for The researchers work only with the female stick grasshopper because they are smaller and the males are extremely rare.
The researchers work only with the female stick grasshopper because they are smaller and the males are extremely rare.
Dr. Croy
1942
Photograph
Image Not Available
for A stick grasshopper comes into the world. These are the eggs of a stick grasshopper which have been magnified 25 times their orginal size.
A stick grasshopper comes into the world. These are the eggs of a stick grasshopper which have been magnified 25 times their orginal size.
Dr. Croy
1942
Photograph
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