Chordates as lower fishes in fresh water appeared in: Organic Evolution Mcqs March 21, 2019 BILAL KHATTAK0 A.Cambrian period B.Silurian period C.Ordovician period D.Permian period Related Mcqs: The fishes dominated during: Cephalopod Molluscs were dominant during: Terrestrial Colonization started during: Trilobites and Brachiopods were dominant during: Palaeozoic era does not include: First land vertebrate originated during: Brachiopods and Copepods dominated in: In which of the following periods, chordates originated: In geological history of the earth, the beginning of birds and mammals occurred in: Amphibians were at climax during:
