The leaves of chaparral shrubs are typically . A)
small and waxy
B)
evergreen leaves
C)
able to store water
D)
all of the above

Please select the best answer from the choices provided

A
B
C
D

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Accuracy is a measure of how consistently a result is determined by repeated evaluations a. true b. false