Question

Explain why classification is always changing

Answer 1

These organisms didn't fit into the classification system of the time. The system had to be changed to incorporate this new group or organisms. ... Changes to the classification system have meant that the classification of some species of organisms has changed too...

Answer 2

On edgenui.t.y it states:

Which of the following did you include in your response?

- new fossils

- molecular data

Hope This helps! ;P