Because that's the kind of thing scientists do. They figure things out, sort them up in an orderly manner. Who's related to who, that kind of thing.
scientists classify Mount Kilauea as a shield volcano
The five groups are Fish, Amphibians, Reptiles, Birds, Mammals
All are vertebrates - all have a spinal column.
When somebody is cleaning a fish and finds a heart with four chambers.
Fish, reptiles, amphibians, birds, and mammals are all vertebrates. They all have a backbone and internal bones.
Scientists classify vertebrate into different groups by the way the animal looks or how big or small it is
Scientists classify silicon as a metalloid, which is an element that exhibits properties of both metals and non-metals.
By looking at the water to find the classify
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.
conragationistsories
Yes
characteristics.