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Amphibian Illustrations

Frog Spawn and Tadpoles, Colored Pencil


frog eggs frog eggs

Frog Spawn, colored pencil

About the illustration:
Cell division in frog eggs, progressing from the single cell stage. Also see illustration of tadpole to frog.

Commissioned by: Wisconsin Sea Grant, University of Wisconsin-Madison
Illustration at client's web site: http://www.seagrant.wisc.edu/frogs/frogs_life2.html

About frog cell division:
The male frog's sperm fertilizes the female frog's eggs. The female frog lays a gelatinous cluster of eggs (zygotes) on plant material under water. The egg is initially a single cell. It divides to become the two sides of the body. The division of the cells is referred to as "cleavage", the number of cells doubling each time cleavage occurs, progressing through stages referred to as: morula, blastula, early and late gastrula. Gradually the tadpole is differentiated through DNA replication and mitosis.

Keywords related to art on this page: tadpole development, tadpoles, wildlife artist, illustrator, cell division, biology, mitosis, frog egg, eggs, developmental, life cycle, amphibian, amphibians, frogs, zoology, picture, image, images, pictures, illustrations










 

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