Diversity of light-detecting organs

Several analogous types of eyes have developed independently through convergent evolution.

Related extras

Prehistoric armoured fishes

Extinct species of fish which had thick ´armour´ protecting the head.

Let's go on a safari!

In this lesson you will find out where savannahs are located on Earth and will learn...

Common earthworm

The anatomy of annelids is demonstrated through the example of the common earthworm.

Animals of the polar regions

A video about the mammals living in the cold climate zones of the Earth, like the polar bear,...

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

Apatosaurus

Long-necked herbivorous dinosaur with a robust body.

Raccoon

This little animal has the annoying habit of raiding waste containers and scattering rubbish all...

Are poison dart frogs poisonous?

Find out interesting facts about the anatomy of amphibians and their vital processes!

Added to your cart.