Ostrich's chicks grow about 1.5 m in their first year.
There are over 7 million earthworms in every hectare of topsoil. In which, there is, at least some plant material for them to eat.
There are about 2 million living species in the animal kingdom. All are multi-celled organisms having some features in common Out of 2 million species, the arthropods alone estimated to be over one million which include insets, crustaceans and arachnids.
The deepest living fish ever discovered was a flat fish, found almost 12,000 m down in the Pacific Ocean.
The Bristle cone pine tree in the USA, which is 4,300 years old, is one of the oldest trees in the world.
Dinosaurs are reptiles, which appeared on Earth about 225 million years ago. They dominated the Earth for 160 million years and existed until 65 million years ago.
Dolphins often breathe in oxygen during their characteristic leaps and jumps, because they breathe through nostrils, and not by gills like other fishes.
Gorillas live in groups comprising 5 to 20 individuals. They are vegetarians and there are only a few thousands found in the mountains of equatorial Africa. They are facing the risk of extinction.
Plants originated from a group of green seaweed, which, about 450 million years ago, adapted to life on land. There are nearly 4 00,000 species of plants with different structures, forms and sizes.
With 710 legs, the South African millipede has many more limbs than any other creature alive.
