I would say it’s probably B or C
Answer:
Population Growth Rate
It is calculated by dividing the number of people added to a population in a year (Natural Increase + Net In-Migration) by the population size at the start of the year. If births equal deaths and there is zero net migration, the growth rate will be zero.
Explanation:
Annelid and flat worms are mostly related
D. Prophase1 because this has to happen first so the rest of the stages can continue with their own events
