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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of powdery

In this activity, learners will explore how the human brain interprets environmental stimuli.

Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.