When a spider weaves a web, this is an innate, or instinctual action. A spider needs no training from other spiders (including its parents) to know how to spin a web.
Answer: Yes, they would either need a blood relative to take DNA samples from or something the deceased had before their death such as a baby tooth or hair.
Answer:
D the current changes are mush smaller than in the past.
50-70%. At the age of 1, percentage is around 65%. In adult men, 60% of their bodies is water. 55% of adult women's weight is water due to fat not holding as much water as lean tissue; fat makes up more of women's bodies than men.
Also called simple sugars, they are the most basic units of carbohydrates
