Is Protozoa The First Animal?
Is Protozoa The First Animal? Disease Causative agent Source of Transmission Balantidiasis Balantidium coli (Ciliate) Food, water Did animals evolve from protozoa? Signaling and adhesion gene families critical for animal development (including receptor tyrosine kinases and cadherins) evolved in protozoa before the origin of animals. Is protozoa a plant or an animal? Type of Protozoa