Answer:
It is the closest relative of Bombyx mandarina, the wild silk moth. The silkworm is the larva or caterpillar of a silk moth. It is an economically important insect, being a primary producer of silk.
Nothing according to space in time
External means on the outside, so it can be something like their fur color. Some other features can be number of legs, if they have wings or not, etc.
The answer is B
Explanation:
Change, distort