Vertebrates have been slowly originated from invertebrates . – InterviewSolution

InterviewSolution

1.	Vertebrates have been slowly originated from invertebrates .
Answer» Solution :(1) When the carbon dating method was used to assess the age of fossils, it wasunderstood that invertebrates were PRESENT on THEEARTH much before the vertebrates. (2) The fossile of invertebrates arepresent in lower layers of earth's strata. They were seen in Palaeozoic era of geological time period. (3) Vertebrates dominated during Coenozoic era. Their fossils are seen in the UPPER strata of the earth's CRUST. (4) The structural complexity also increased in vertebrates. All these facts indicate thatvertebrates have been slowly originated from invertebrates.

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