While some insects, like moths, spin a cocoon, a butterfly uses a chrysalis, which is essentially hardened skin. Different species of butterflies stay in the chrysalis, or pupal stage, for different periods of time. This can range from about seven days to more than a year, but for a large number of species it is less than 30 days. The well-known monarch butterfly, for example, spends between nine and 14 days in a chrysalis, while the painted lady butterfly spends only seven to 10 days in the chrysalis.
What was the Stephen A Douglas doctrine of popular sovereignty? In a nutshell, it stated that slavery in Kansas and Nebraska would be decided by popular sovereignty, which is pretty much where the people would decide on the matter with a m â¦ ajority.
Popular sovereignty, also called Squatter Sovereignty, in U.S. history, a controversial political doctrine that the people of federal territories should decide for themselves whether their territories would enter the Union as free or slave states. Its enemies, especially in New England, called it âsquatter sovereignty.â.