teks eksplanasi dalam bahasa inggris tentang metamorfosis binatang

Metamorphosis is a process of a caterpillar to become a new animal (perfect stage), in this case is a butterfly. The process happens quite simple but takes quite long time. First, starting from an egg laid by a butterfly on a leaf (usually leaf of orange tree or other tree), this leaf is aimed to be the food for the caterpillars until it reaches adulthood when the time comes to become pupa/cocoon and in some the day it will become a new butterfly.

The egg that laid by a butterfly will hatch in 3-5 days. Then it becomes larva. The larva will walk to the edge of the leaf of host plant and start eating it. Most of the larva eat its empty egg shell as a first food. The outer skin of the larva does not stretch following its growth, but it become very tight when larva will change its skin. Larva change its skin (molting) for about 4-6 times during its life.

When the larva reach the maximum growth, larva will stop eating, walking to seek the nearest shelter, clinging themselves to a branch or a leaf with woven yarn. The larva have entered the phase of pre-pupa and for the last time releasing the skin to form a pupa (cocoon). Pupa usually hard, smooth and in a form of a structure without any limb. Commonly pupa is green, brown or the color according to the surroundings (camouflage). The forming of a butterfly in the pupa usually takes 7-20 days depending on the species.

Once it is out of the pupa, the butterfly will crawl to the top so that the wings that still weak, crumpled and slightly wet can hang down and inflate normally. Immediately after the wings are dry, inflate and strong, the wings will open and close several times and the butterfly will attempt to fly.