Goldfish are cold-blooded. There are more than 500 kinds of goldfish in the world. The largest goldfish can be 30-40 centimeters long and about 3 kilograms in weight.
[È£]
Cockroaches are found in all the countries of the world. There are over 5,000 different kinds of cockroaches in the world. Cockroaches do not have blood vessels.
Gorillas live in Africa. They live in forests in groups. Like humans, gorillas have 2 legs and 2 arms, 10 fingers and 10 toes. Gorillas have 32 teeth.
The camel does not store water in its hump. The hump on the camel¡¯s back is a lump of fat. Baby camels are born without a hump.
- Ostriches started living on Earth about 120 million years ago. - The ostrich is the largest bird in the world. - Ostriches cannot fly.
- There are over 12,000 kinds of ants in the world. - Ants are mostly found in hot climates. - Most ants are between 2 mm and 10 mm long.
Beavers¡¯ front teeth never stop growing. Beavers eat bark, roots, leaves and twigs. Baby beavers are called ¡°kits.¡±
Today, there are over 150 kinds of owls in the world. The Elf Owl is the smallest owl. It is about the size of a sparrow. It is found in the southwestern United States and Mexico.
Ducks are relatives of geese and swans. A male duck is called a drake; a female is called a duck; babies are called ducklings. Ducks have three eyelids.
There are more than 200 kinds of octopuses in the world. Octopuses can be found all over the world¡¯s oceans. All octopuses have 8 arms.
[ÀÌÀü10°³] 81 82 83 84 85 86 87 88 89 90 [´ÙÀ½10°³]