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The anatomy of annelids is demonstrated through the example of the common earthworm.
The European pond turtle can be found in swamp areas and on banks of shallow lakes.
One of the most common types of flatworms.
This animation demonstrates the anatomy of spiders through the example of a common...
Larvae of this type of mayflies spend the first three years of their lives in water,...
Marsh harriers are birds of prey found almost worldwide.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.
During the evolution of vertebrates the relative development of brain areas has changed.