1.

Which organisms are excluded at each consecutive level? Why?

Answer»
  • Eliminated from Phylum Chordates — Butterfly, Cockroach Reason — Animals with vertebral columns alone are included in the phylum chordates.
  • Eliminated from Class Mammalia — Bird (Pigeon) Reason — Animals that give birth to young ones alone included in this group.
  • Eliminated from the order Carnivora — Rabbit Reason — Carnivores alone included in this order.
  • Eliminated from the family Felidae — Bear Reason — It does not have retractile claws.
  • Eliminated from the Genus Felis — Lion, tiger Reason — Animals having small body and without roaring sound are included.
  • Eliminated from the Species domestic — Wild Cat Reason — It has the basic features of cat


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