Which must first occur for transcription to begin

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

What are levels of ecology and how can we remember them