पृथ्वी पर प्रारंभिक कोशिकीय जीवन की आयु का वैज्ञानिक रूप से अनुमान लगभग कितना लगाया गया है?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Darwin's finches demonstrate adaptive radiation because they evolved from a common ancestor into multiple species with distinct beak morphologies. Reason (R): Adaptive radiation involves ecological diversification of a species to occupy different available niches within the same geographical area. In light of the above statements, choose the correct option:

With reference to Lamarck's theory of evolution, consider the following statements: A. According to Lamarck, environmental needs can lead to the origin of new organs. B. The law of use and disuse is accepted by modern biology because it involves genetic inheritance. C. Inheritance of acquired characters is disproved by Weismann's experiments. D. Lamarck believed that a continuous inner drive in organisms can cause permanent evolutionary changes. Which of the above statements are correct?