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What is the biological event that started the Paleozoic Era called?The Paleozoic Era began with the Cambrian explosion. It ended with the Permian extinction. During the era, invertebrate animals diversified in the oceans. Plants, amphibians, and reptiles also moved to the land.
Which event in the Paleozoic Era is known for an increase in the diversity of life on Earth?The Cambrian witnessed the most rapid and widespread diversification of life in Earth's history, known as the Cambrian explosion, in which most modern phyla first appeared. Arthropods, molluscs, fish, amphibians, synapsids, and diapsids all evolved during the Paleozoic.
Did the biodiversity of the Earth increase during the Palaeozoic?The early Palaeozoic Era records the initial biodiversification of the Phanerozoic. The increase in biodiversity involved drastic changes in taxon longevity, and in rates of origination and extinction.
What do we call the explosion of biodiversity we see at the beginning of the Paleozoic Era?The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today.
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