In the control group, how did the number of grass blades change over the three week period?
In the experimental group, how did the number of grass
blades change over the three week period?
Was there a measureable difference in the number of
grass blades between the control group and the
experimental group at the end of three weeks?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

The area of shoreline that is ultimately exposed and submerged is the