It depends on what objects. If you mean animals it goes by domain, kingdom, phylum, class, order, family, genus, and species. If you mean other things it's by the state of matter.
classify andpredict are 2
When the scientist is trying to represent an object or a system.
She likes Isaac Newton, her favorite scientist.
mass
an observation
to help them classify the data of the object they are observing
Scientist classify plants as producers due their ability to make their own food. They are in the autotrophic level of the nutrient cycle.
a plant
LEPTOTRICHIA
By the structure of its cells
they look through a microscope
Aristotle
Aristotle
it is a noninert heterotroph
silica
microscope
mullusks