Crash Course
The Sex Lives of Nonvascular Plants: Alternation of Generations
Plants evolved more than 400 million years ago into two types — vascular and nonvascular. Here's a video that explains the difference between vascular and nonvascular plants and then focuses on the over 24,000 types of nonvascular...
Curated OER
Growing Pains
Students compare common food items with the parts of a plant. They grow their own plants to assess the difficulties in assisting a plant's growth and reproduction.
Crash Course
Vascular Plants = Winning!
Viewers explore vascular plants with a video that shows their different tissues, their ability to grow taller and wider, and their parts. Young scientists then see these plants xylem and phloem and learn how vascular plants move water...
Curated OER
Predators and Prey
Students explain how the food chain works. They contrast predators with prey and describe their function in nature. Students discuss how the food chain aids in keeping nature balanced. In small groups, they play a game that simulates the...