The study of escherichia coli (e. coli) led to new experimental designs for studying operons which experimental design did the scientists use?

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?