Virtual Bio Lab - Population
Name:
Go to “classzone.com”.
Click on High School<California<Go.
Then chose the McDougal Littell book with
the hatching alligator on it. Under “Labs” chose Virtual Labs, then pick Estimating Population Size
).
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.
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 you can take to
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- Fall '19
- Population Ecology, Grasshopper, SI prefix
