1. At this time, its color is red and white. It has to change clothes several times before it becomes ebony black. The color is getting darker and harder. Until it is covered with horny nails, it is a fully grown beetle.

2. Silkworms first grew in reeds in mire swamps. Many times it is attached to the broken branches of reeds and drifts in the water with reeds. That small sheath is its mobile house, which can also be said to be simple houses that it carries with it when traveling.

3. After a while, it will eat. Nobody teaches it, but it can do it. Like its predecessors, it will make food into a ball and dig a storage place to store food. It will be fully involved in the work, and there is no need to study at all.

Is there a small pond in your house? In that small pond, you can observe every life in the water at any time.

Ordinary cicadas like to lay eggs on dry branches. They choose the smallest branch, whose thickness is mostly between hay and pencil. These twigs, which hang down very little, tend to tilt up and almost die.

6. After a few shakes, the wasp's nest has just begun to take shape. At this time, in such a short time, its hive has actually become as big as an acorn, which is really unexpected. They are really some magical little animals.

7, then, it will perform a strange gymnastics, the body leaps in the air, only slightly fixed on the old skin, flip the body, make the head down, the wings are covered with patterns, straighten and try to open.

8. Few insects are more beautiful than this small animal. The flap is in the middle, like a wide folded tie, and the forearm is under the head.

9. Their bodies are bulging, like half a pea, and their sheath wings are smooth or fluffy. Usually there are red or yellow stripes on the black coleoptera, or black stripes on the red and yellow coleoptera, but some ladybugs have yellow, red or brown coleoptera without spots. These bright colors are used as warnings to scare away natural enemies.

10, Silkworm is not a good swimmer. Its rotation or steering looks awkward. This is because it only relies on the part of the body extending out of the sheath as the rudder propeller, and there are no other auxiliary tools. When it enjoys enough sunshine, it retracts its predecessor, exhausts air and gradually sinks.