We are all familiar with common examples of mammals such as cats, dogs, and horses. Humans are also mammals. This action-packed series of videos illustrates the common characteristics of mammals while also exploring some of the major...

Developmental Set: 2. This clip explains the concept of developmental homology in embryonic fetal development.

Our bodies are the ultimate factory. Every cell has its specific job to do, and is shaped to do that job perfectly. The fate of each cell is determined during the embryo stage, and then cannot be changed. However, cutting-edge research...

Throughout this series, we've learned all about the various systems of the human body. But how do humans make more humans? As a child might ask, where do babies come from? Suppress the immature giggles if you can, human reproduction is...

This video provides a concise overview of human embryonic development, starting from fertilization and the formation of a zygote, to the development of germ layers, major body systems, and finally the birth process. It emphasizes the...

We are all familiar with common examples of mammals such as cats, dogs, and horses. Humans are also mammals. This action-packed series of videos illustrates the common characteristics of mammals while also exploring some of the major...

This video provides an informative overview of human sexual reproduction, detailing the roles of male and female reproductive systems in creating and nurturing a fetus. From the production of gametes to fertilization, embryonic...

Viewers take a trip above the earth's atmosphere to learn about weather around the world. Students will come to understand the relationship between water, air and heat and how they interact to make weather happen. The terms atmosphere,...

This girl has six fingers on her left hand. She has a condition called polydactyly, which causes extra fingers or toes. Her father and grandmother as well as some of her cousins also have the condition. This should give you a clue about...

This engaging series of videos uses colorful animations and on-location footage to illustrate some of the amazing ways plants reproduce. The reproduction processes in bryophytes, ferns, gymnosperms, and angiosperms are highlighted....

We've made through a number of vascular plants so far, but it's time to examine gymnosperms. These include plants like pine trees, and any plant that bears cones. These plants exhibit an important evolutionary advantage over previous...

Students will learn why photosynthesis is so important to us. The different plant structures and compounds involved in photosynthesis and transpiration are highlighted. Beyond photosynthesis, plant responses to certain stimuli and...

From fertilization, to germination, to growth, to death, this series of videos explores the life cycles of plants. The means by which plants respond to their environment is also highlighted. Specific attention is paid to development of...

Flowers are everywhere. This wonderful video defines what a flower is and the parts that make up a flower, as well as the importance of flowering plants in our lives. Concepts and terminology: flowering plants, plant embryo, plant...