In any one animal the chromosome number is exactly the same in?

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

What type of cell division is used to replace old cell?

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells