Unicellular eukaryotes living in freshwaters, capable of feeding autotrophically and heterotrophically.
The tallest animal on the planet, yet it has the same number of vertebrae as humans.
Long-necked herbivorous dinosaur with a robust body.
The European badger is an omnivorous, nocturnal animal. Badger colonies live in large...
Several analogous types of eyes have developed independently through convergent evolution.
The domestication of the wolf began more than 10000 years ago. After humans, it is the most...
A gull species typically found on European beaches; it is easily recognizable by the distinctive...
Widespread heterotrophic unicellular organisms with constantly changing shapes
This video explains why the Barbary sheep on the savannahs bear such a strong resemblance to goats.