Class work for Activity 2.1

Revegetation in the Copper Basin

View the Copper Basin video again and answer these questions in your journal.

1. How much top soil has washed away? ______________
2. What year was the first attempt at revegetation and reforestation? ____________
3. The removal of the forest cover resulted in :
   1. _______________ temperature extremes.
   2. __________ evaporation rate.
   3. ____________ rainfall.
4. What species of tree seedlings were planted in the 1980's? __________

Wheat Seed Data

1. Histogram - using the wheat seed data we gathered last week, draw a nice histogram of the total seeds per plant. Use an entire page of your journal and a ruler.
2. Use the class data to determine the total number of wheat seeds and the total mass of the seeds collected.
3. Use the totals above to find the average mass of one seed.

Guided Activity 2.1 Determining Biomass

In your journal, start the rough draft for this activity. Use the lab report format.