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The anatomy of annelids is demonstrated through the example of the common earthworm.
Eupteryds are an extinct group of Paleozoic aquatic arthropods.
One of the most common types of flatworms.
This animation presents some animals and plants that lived between the Devonian and...
During the evolution of vertebrates the relative development of brain areas has changed.
The axolotl, also known as Mexican salamander, is an amphibian species that keeps its...
Pelicans are highly protected birds. They can be easily recognized by their pouched bill.
Honey bees fly from flower to flower, harvesting nectar and pollen to take them back to the colony.