GRAPES Essays

Chapter 3

The oxygen content of water
is a limiting abiotic environmental factor that
determines the biodiversity of an aquatic environment. An APES class visited a
stream near their high school and measured several indicators of water quality.

A)
describe a technique of determining the oxygen content of
water and what it means.

B)
Briefly describe
one other test that the students could have conducted to determine the water
quality of the stream.

C)
Diagram a typical
food web based on a freshwater stream ecosystem.

Chapter 6

Chapter 7