Guide Questions 1. Do the two mango plantations have the same population size of mango trees? What are their population sizes? 2. How about population density? Which do you think has the higher population density? Why do you say so? 3. Do the two ponds have the same population size of fish? What are their population sizes? 4. How about population density? Which do you think has the higher density? Why? 5. What is the difference between population size and population density?​