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not physical apperance it is thier genes that you should use to classify
DNA is the answer.
What do scientists look at to help thhem place organisms into the categories?Read more: What_do_scientists_look_at_to_help_thhem_place_organisms_into_the_categories
Cladistics shows the genetic relationships between organisms.
They use a taxonomic mapping to help classify organisms.
appearance
Scientists classify organisms by the dichotomous key. They classify by looking at if it moves or not, then they look at characteristics, then they can see what they are.
taxonomy.
scientists use taxonomy to classify and separate them into different groups
They are classified according to the DNA they share with other organisms.
Taxonomists use fossil records, morphological structures, and DNA/genetic information in order to classify organisms into different kingdoms, phylums, and classes.
not physical apperance it is thier genes that you should use to classify
scientists classify organisms into groups based on internal and external features.
they use genus and dichotomous keys
Bacteria and Archaea and Eukarya
they use genus and dichotomous keys
DNA is the answer.