Question

Match 1. Cenozoic era 2. Mesozoic era A) Cambrian explosion B) Mammals appeared on the earth. C) Prokaryotes appeared on the earth. D) Animals appeared on the earth. 3. Paleozoic era 4. Proterozoic eon 5. Archaean eon E) Human appeared on the earth.

Answer 1

Correct answers are as follows :-

1. Cenozoic era E) Humani appeared on the earth di Mesozoic era B) Mammals appeared on the earth. 3. Paleozoic era la cambrian explosion ... 4. Proterozoic eon | D Animals appeared on the earth. 5. Archaeon con e) Prokaryotes appeared on the earth.

Explanation of the answer is given below :-

• The Cenozoie era, Human genuis (Homo) and human species ( Homo sepiens) evolved. i cenozoie era (66 million years ago. to present It is the i era where early herman evolved from small, furry mannals. • The Mesozoic era as the age of dinosaurs. They evolved from reptiles but in this era mammals also evolved but they are small In size. The first mammals erstred from therapsids . (mammal-like reptiles) at the end of the triassic Period of the mesozoic era.. • The Paleozoic Period, This ... the evolution era begon with the cambrion cambrian explosion included of arthropods and chordates. • The proterozoie ieon .. life evolve from simple cell organisms to more adranced organisms. In this era eukaryotes and multicellular organisms evolved; animals appeared on.. the earth during this eon: • The Archaean eon - was the time of . bacteria (Perskarystes). In this con atmosphere of earth was mostly covered with methane and nitrogen..