Nerdymania
05.05.2020 •
Biology
2. How many years are the Cambrian and the Devonian periods separated
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Ответ:
The Cambrian lasted 55.6 million years from the end of the preceding Ediacaran Period 541 million years ago (mya) to the beginning of the Ordovician Period 485.4 mya. Its subdivisions, and its base, are somewhat in flux.
Ответ:
Reproductive separation may result in the evolution or specialization of two different species. This hinders the capability of different species to produce an offspring. It also serve as a barrier to maintain integrity of each species wherein gene flow is reduced
Explanation: