Correct answer: D). 4
All animals are eukaryotic, multicellular and possess a complex tissue. They are heterotrophs it means they do not prepare their own food, they eat living and dead organisms and they may be herbivores, carnivores, omnivores or parasites.
The five steps of nutrition in animals are ingestion, digestion, absorption, assimilation, and Egestion.
Hence, the most suitable answer would be option D.