A little bit of this and a little bit of that. The final lesson of the 21-part unit assesses learners on each animal and plant system. The test covers the basics of each system and focuses on key vocabulary from the unit.

Many future doctors earn college science credit by passing the AP biology test while still in high school. Help young scientists prepare for the exam by studying past test questions. Each of the eight questions covers multiple topics...

What is the net effect when two waves interfere with each other? The lesson plan answers this question by helping the class visualize waves through graphing. Pupils graph individual waves and determine the effect of the interference...