What might a city find it necessary to do when initiating a beach nourishment project?

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

What are they five steps of cloning?