a population of bacteria is growing exponentially. It doubles in size every 3 hours. If the population starts out with 10 bacteria, how many bacteria will there be after 12 hours?

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present