The development of the male and female gametes in a plant is illustrated, explaining plant fertilization, pollination, and reproduction. Overall, get a complete picture of the life cycle of a flowering plant with some wonderful details...

Time-lapse photography was used to capture the growth of different fungi. This may evoke "Eews!" and "Icks!" from your class. The fungal life cycle is briefly described and then the video stops short. The title is in error; fungi are not...

What happens when you plant large numbers of non-native trees in an area? Well, sometimes it attracts the wrong kind of attention! Meet the South American palm weevil, an insect that spends its entire life cycle destroying palm...

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...

If you want, watch the video over and over again. The 11th installment of the Crash Course Engineering series focuses on cycles and repetition. It first reviews how heat engines work and applies the idea to heat pumps. It then explains...

Can someone really have a "biological clock"? Discover why many organisms on earth have an inherent awareness of where they are in the day's cycle.This video discusses animal adaptations, the earth's revolutions, and how light and...

When did biology become a proper science? Travel back in time to the evolution of natural history during part 19 in an ongoing History of Science series. Pupils discover early pioneers in the study of plants and animals, the birth of...

How did scientists move beyond the medical ideas of Galen? Dissect the past with the 15th installment in a History of Science video series. Topics include Vesalius' dissections, the microscope, and mapping the human body.

Our topic for today is Life Cycle of a Butterfly. A butterfly lays eggs on the leaves of a plant. These eggs hatch and young ones called larvae or caterpillars come out of the eggs. The caterpillar starts feeding on the leaves and starts...

In this Dinoasaur Train clip, Tiny is sad that her favorite flower has died. This resource teaches students that everything in nature changes because of the plant life cycle. [2:38]

In this video segment adapted from NOVA, learn about the critical role of flowers in seed plant reproductive biology. [4:01]

Watching plants grow is like watching paint dry: It happens so slowly that the changes are imperceptible from one moment to the next -- and yet the end results are dramatic. This video segment shows just how amazing plant development can...