Radial symmetry
from other animals they get it
because structural characteristic do not change over time but physical appearance do
scientists use taxonomy to classify and separate them into different groups
they classify the rocks by their texture and compisition
Binomial Nomenclature.
The scientists use the dichotomous key or the identification key to classify newly found organisms.shared characteristics.
their genome
The chart is a dichotomous key. It helps them classify things.
they use genus and dichotomous keys
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.
atomic number
taxonomy.