Approximately how many years elapsed between the time cells were discovered and the observation of cell parts in muscle cells?

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Which type of bacterial reproduction is depicted in the diagram?

What best explains the inability for life to exist in earth early atmosphere