Again, medication may be the reason your urine changes color. It could also mean there is blood in your urine, either from vigorous exercise or due to an infection. If you're urine doesn't clear up in 24 hours, go see a doctor.
The three-domain system is a way for classifying biological organisms. This classification system distinguishes between eukaryotic organisms, organisms which have cells which include a nucleus, and two types of prokaryotic organisms, organisms with cells which lack a nucleus.Over the years, scientists have developed several systems for the classification of organisms.he three-domain system is based on the traditional, and most accepted, six-kingdom system but divides the prokaryotae into two domains, leaving the remaining eukaryotic kingdoms in the third domain.
Section 1 Biodiversity Chapter 17 Objectives â¢ Relate biodiversity to biological classification.â¢ Explain why naturalists replaced Aristotleâs classification system.â¢ Identify the main criterion that Linnaeus used to classify organisms.â¢ List the common levels of modern classification from general to specific.ection 3 Modern Classification Chapter 17 Three Domains of Life, continued â¢ Domain Eukarya â Domain Eukarya includes the kingdoms Protista, Fungi, Plantae, and Animalia. â All members of this domain have eukaryotic cells.