Notes

Slide Show

Outline

1	COUNTING POPULATIONS Estimations & Random Samples
2	What are the 3 biggest populations in this pond community?
3	ACTUAL COUNT Each member of a population is counted one by one
4	Which population was easiest to count? Why?
5	RANDOM SAMPLES
6	RANDOM SAMPLES
7	ACCURACY???
8	QUESTIONS Why is a sample a good way to count a population? What are some disadvantages to using a sample? What could you do to sample a population of animals that do not stay in one place?