Yes.
I think 12-24 hours
Depends on the insect.
Depends what insect it is.
Session can refer to a seated position, or a governing body of a church or similar entity, or a period spent in continuous activity.
a stick insect has 3 body parts. The head, the abdaman and the legs. But it has to have more than 3 legs to be a insect.
it is the body
There are many characteristics that are general of insect body structures. Most insect bodies include a hard casing for protection for example.
A mammalian (as opposed to reptile, insect etc) body is warm due to the metabolic activity that goes on inside it. Once a body has died, this activity stops and it becomes the same temperature as its surroundings just like anything else (tables, chairs, rubber chickens etc). So, a dead body isn't colder than anything else - just colder than a live body.
By its exoskeleton.
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how the body reacts to everyday activity
Silver Fish: is a small insect which has a silver colour on its body.