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Matière vivante, Animaux
Live specimens are used for a wide variety of studies including studying the physiological effects of drugs on a specimen’s heartbeat and temperature on metabolism, the locomotion of microscopic organisms, and studying plant respiration, photosynthesis, plasmolysis, and more. Algal cultures form colonies of cells that are extremely easy to visualize for better understanding of cell walls and plastids, and many live specimens reproduce rapidly for quick turnover between successive tests.
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Ward's® Live African Clawed Frogs and Food (Xenopus laevis)
These African clawed frogs are entirely aquatic and thrive in an ordinary freshwater aquarium. They are often used in developmental studies and genetic experiments.
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Ward's® Live Bullfrogs (Rana catesbeiana)
This large predatory frog will eat any other organism smaller than itself, including smaller bullfrogs; keep similar-sized frogs together to avoid cannibalism.
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Ward's® Live Green Tree Frog (Hyla sp.)
These fascinating frogs are uniquely adapted for climbing, with prominent adhesive pads on the ends of their digits.
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Ward's® Live Bullfrog Tadpoles (Rana catesbeiana)
Bullfrog tadpoles are great for demonstrating metamorphosis in the classroom.
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Ward's® Dwarf African Frog (Hymenochirus sp)
These small aquatic amphibians breed readily in a freshwater tropical aquarium.
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Ward's® Live Grassfrogs (Rana pipiens)
Grass frogs are low maintenance and seasonally available, typically from September to July.
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Ward's® White's Tree Frog
Your frog is shipped in a plastic container with damp sphagnum moss as cushioning. It should be placed in a prepared habitat shortly after arrival.
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Ward's® Prepared Xenopus laevis Reproductive Tissue
Prepared reproductive tissues from Xenopus laevis. Products offered include ovaries, testes, and oocytes.

