Ecologists whimsically decided to call the parts that make up a flower its whorls. The first whorl of a flower is known as the calyx, which is the plant’s green, leafy outer structure that ...

They help it to make its own food from sunlight. And as the plant grows, the leaves will grow bigger and change too. Throughout their life cycle, plants can look very different. In this greenhouse ...

NASA scientists are using airborne technology to track flowers from above, offering new insights into seasonal plant cycles.

The Seed to Flower video may be too fast-paced for some students and may require repeat viewings. Also, if students have not yet been expressly taught abut the life cycle of animals or humans, it may ...