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The dentition of different species of mammals reflect their feeding habits.
One of the best known species of spiders, often kept as pets. Its bite is not fatal for...
99% of the common chimpanzee's genome is identical to that of humans, yet this 1% difference...
Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.
A transitional form between fish and tetrapods, or four-limbed vertebrates.
Common ciliated eucaryotic unicellular organisms widespread in freshwaters.
Penguins do not only live in regions with freezing temperatures. They can also be found in the...
A popular pet of children. They can be easily recognised by the patches behind their eyes.