Refer to the events given below and arrange them in the CORRECT chronological order.

$(A)$ Invertebrates formed and active

$(B)$ First cellular forms of life

$(C)$ Existence of seaweeds and few plants

$(D)$ Appearance of reptiles on earth

$(E)$ Appearance of shrew-like mammals.

Question

TestHub · Accepted Answer

On the basis of Palaentological evidences the Geological time scale is prepared. This table is divided into many Era's which is further divided into periods and epochs. The eras since beginning are Proterozoic, Paleozoic, Mesozoic and Cenozoic. Proterozoic is the earliest era that includes the first cellular forms of life. In Paleozoic the first invertebrates are placed and in middle era few plants development is seen. Mesozoic is the era of reptiles whie birds and mammals are seen in Cenozoic era.

Zoology - Evolution Question with Solution | TestHub

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