What characteristics do scientist use to classify organisms into domains and kingdoms?

Answer 1

When deciphering an unknown species and classifying organisms taxonomist use biochemichal, chromosal information, and physical and structural information. Today taxonomist study chromosome structure, blood protein, and the way organism develop before they are born because physical apperance is not always a good way to classify an organism.

Answer 2

There are a great number of questions that would go into this, but the 3 first questions would be:

Does it have a nucleus?

How does it obtain energy? (Another way to word this question would be "is it autotrophic, heterotrophic?")

Is it multicellular?

Answer 3

does it have one cell or many cells, is it an animal or a plant, does it eat other organisms or make it's own food, and does it need oxygen or carbon dioxide.

scientists have to answer these questions to determine what kingdom an organism belong in. or at least some of them, there are others.

Answer 4

they use physical behavior .....how they adapat and of chorse land air or water

Answer 5

cell type,number of cells,nutrishion,repuduction

Answer 6

ability to make food and number of cells