
Golden age of reptiles was
A. Proterozoic era
B. Palaeozoic era
C. Mesozoic era
D. Coenozoic era
Answer
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Hint: Mesozoic era is known as golden age for reptiles because in this era reptiles became dominant on earth. The era spans from about 252 million years ago to about 66 million years ago.
Complete answer:
> Option A - Proterozoic era contains many definite traces of primitive life-forms such as fossil remains of bacteria as well as blue-green along with algae, and of the first oxygen-dependent animals.
> Option B - The Paleozoic Era is considered to be the earliest of three geologic eras of the Phanerozoic Eon. It is the longest of all the Phanerozoic eras, lasting from about 541 to 251.902 million years ago.
The period is subdivided into six geologic periods:
- The Cambrian,
- Ordovician,
- Silurian,
- Devonian,
- Carboniferous, and
- Permian.
> Option C - The Mesozoic Era is the second of Earth’s three major geologic eras of Phanerozoic time. The period's name is derived from the Greek term meaning “middle life.” The Mesozoic period began about 252.2 million years ago, following the conclusion of the Palaeozoic period and at the dawn of the Cenozoic Era.
> Option D - The Cenozoic Era means a "new life". It is the current as well as the most recent of the three geological eras of the Phanerozoic Eon. It follows the Mesozoic Era , which extends from about 66 million years ago to the present day.
Hence, the correct answer is option (C).
Note: The ancestors of major plants, as well as animal groups that have existed today first, known as the time of the. The Mesozoic era is known as the golden age of the reptiles as they were dominant during this era.
Complete answer:
> Option A - Proterozoic era contains many definite traces of primitive life-forms such as fossil remains of bacteria as well as blue-green along with algae, and of the first oxygen-dependent animals.
> Option B - The Paleozoic Era is considered to be the earliest of three geologic eras of the Phanerozoic Eon. It is the longest of all the Phanerozoic eras, lasting from about 541 to 251.902 million years ago.
The period is subdivided into six geologic periods:
- The Cambrian,
- Ordovician,
- Silurian,
- Devonian,
- Carboniferous, and
- Permian.
> Option C - The Mesozoic Era is the second of Earth’s three major geologic eras of Phanerozoic time. The period's name is derived from the Greek term meaning “middle life.” The Mesozoic period began about 252.2 million years ago, following the conclusion of the Palaeozoic period and at the dawn of the Cenozoic Era.
> Option D - The Cenozoic Era means a "new life". It is the current as well as the most recent of the three geological eras of the Phanerozoic Eon. It follows the Mesozoic Era , which extends from about 66 million years ago to the present day.
Hence, the correct answer is option (C).
Note: The ancestors of major plants, as well as animal groups that have existed today first, known as the time of the. The Mesozoic era is known as the golden age of the reptiles as they were dominant during this era.
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