To measure a one-meter by one-meter section of the tidal pool and the number of mussels, Luke constructs a wooden frame to use in the field. Which of the following BEST describes what he applied to collect his data?
A. a variable to use in the field investigation
B. a model to represent the ecosystem
C. a map to record data in a particular area
D. engineering strategies and practices
1 answer
A. a variable to use in the field investigation
1 answer