Ninth graders consider how perceived standards of beauty influence body image as well as the relationship between body image and eating disorders. The class brainstorms traits the media presents as beauty standards for males and females,...

What's the difference between body cells and sex cells? Learners explore the question and the process of meiosis using an interactive lesson. An animation describes the discovery of meiosis and describes its phases for a detailed and...

What is the main difference between a moth and a butterfly? Butterflies have club-shaped antennae, while moths have a feather-like antennae. But what else differentiates these beautiful insects? The presentation in the resource...

Attracting the right mate is as important for humans as any other species. An interesting lesson teaches individuals about several strategies that animals and plants have adapted to attract their mates. From colorful nests to powerful...