Mark-Recapture Virtual Lab - Student Answer Sheet
Go to the above link. Looking under the Labs section and select “Virtual Labs”. Select “Estimating
Population Size”
Directions
: Follow the steps and answer the questions below.
1. Why do farmers need to be aware of the grasshopper population? 2. Explore the lab to learn what is available for your investigation. List the functions of the following items: a. Paint and Paintbrush:b. Insect Sweep Nets:c. Large Plastic Container with Lid:3. Click on “Background” and answer the following questions (3 pts): a. What is a population?b.What method do scientists use to estimate the population size of mobile organisms?c. What is population density?4. Click “Procedure”. Answer this question from your notebook: Can you tell by looking at the meadow how many grasshoppers live in it? List the difficulties you might encounter if you tried to determine the population of grasshoppers by simply examining the meadow. What are some steps

