List three dominant groups of animal and plant life (think big group like amphibians instead of frogs, or fish instead salmon) during each the following four geologic eras or eons. precambrian eon paleozoic era mesozoic era cenozoic era

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explanation:

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.