railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) General Science Biology Biological Classification
In Aristotle's system of classification, animals were divided into:
1
bipeds, quadripeds and multipeds
2
aerial, aquatic and terrestrial
3
autotrophic and heterotrophic
4
acellular, unicellular and multicellular