NEET Biology question

Biology Evolution NEET

Which of the following statements are correct? I. Bird originated 150 million years ago II. Mammals originated 200 million years ago III. Multicellular organisms 1 billion years ago The correct combination is

(A)I and II
(B)II and III
(C)I and III
(D)I, II and IIICorrect

Answer: (D)

Solution

The basic timeline of 4.6 billion year old Earth, with approximate dates (i) 3.6 billion years of simple cells (prokaryotes) (ii) 3.4 billion years of cyanobacteria performing photosynthesis (iii) 2 billion years of complex cells (eukaryotes) (iv) 1 billion years of multicellular life (v) 600 billion years of simple

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Question ID VK-121436