In this video segment from The Secret of Life school video, "Sex and the Single Gene" follow as a single fertilized egg cell divides, differentiates, and assembles into the tissues and organs of a new organism. [1:20]
This pathway explores division of cells through mitosis and meiosis and how disregulation of these processes can lead to disease.
Get the facts about coyotes. Besides finding a detailed description of the coyote, you'll also learn about some of its unique facts and characteristics. Also included in this Mammal Fact Sheet on coyotes is information on their habitat and habits, range, feeding, breeding, and conservation efforts. Don't forget to check out the sound clips of coyotes using the link near the top of the webpage. A list of resources completes the fact sheet.
Help Carla take care of her green plants in her plant nursery, and learn about plant reproduction.
This animated explanation introduces the concept of mitosis by reviewing the research of Walther Flemming.
Learn all about cheetahs in this in-depth fact sheet.
This video segment from the Science and Technology Chat series focuses on dolphin pregnancy, birth, and care of the young, and features Atlantic bottlenose dolphins living in captivity at the Mirage Resort Dolphin Habitat. [2:38]
This video segment from the Science and Technology Chat series focuses on dolphin pregnancy, birth, and care of the young, and features Atlantic bottlenose dolphins living in captivity at the Mirage Resort Dolphin Habitat.
Scientists discuss whether or not endocrine disrupting chemicals, which may cause birth defects and other health concerns, should be controlled in the absence of conclusive proof, in this video segment adapted from FRONTLINE: Fooling with Nature.
The process of evolution through natural selection is the focus of this video segment from Evolution, which presents a field study of hummingbird speciation in Ecuador. [6:41]
This website offers a clear definition of the science of Genetics, highlighting DNA and genes. There is a neat, easy-to-understand animated tour of the basics and an opportunity to go inside an animated cell. Student can build a DNA molecule and discover how proteins function. Teachers and students alike will enjoy "What Makes a Firefly Glow?" Among others, there is a student activity based on using DNA to solve a mystery of stolen artifacts. The great teacher resources supply guides and suggest classroom activities. All in all, this is a useful site whose simple interactive graphics provide a fun and easy way to learn the difficult subject of DNA.
The Geniverse software is being developed as part of a five-year research project funded by the National Science Foundation. Still in its early stages, a Beta version of the software is currently being piloted in six schools throughout New England. We invite you to try the current Beta version, keeping in mind that you may encounter errors or pages that are not fully functional. If you encounter any problem, it may help to refresh or reload the web page.
This complete site presents a wealth of information in fact sheet format. In addition, find out how Native Americans viewed the Gila monster and how a component of its venom is being investigated as a possible drug to treat type-2 diabetes.
This STEM-based poultry curriculum uses immersive learning experiences and real genetic samples for your students to dive deep in the future evolution of our food. See how environment influences heredity, and explore the evidence that suggests T. rex as our modern chicken’s and turkey’s ancestor. This unit features 4 lessons and 10 files. Lessons are aligned to NGSS.
This collection of six images captures the magnificence of human development -- the transformation from baby to woman.
Olina is playing on the beach with the animals. Join her and find out more about life cycles and animals?
Kamoku is a boy from Hawaii who is interested in the seven life processes. Do you know what these are? Join Kamoku and discover them with him.
The Reproduction Student Edition book is one of ten volumes making up the Human Biology curriculum, an interdisciplinary and inquiry-based approach to the study of life science.
How are prairie plants able to survive fires? This site will explain how seed germination takes place after a prairie fire.
Plants grow and change on a time scale that is too slow for us to observe in real time. Time-lapse photography is a simple technique that allows us to see the movements of plants and clearly demonstrates that plants are living and capable of some extraordinary things. This site is full of Quick-time movies that show various aspects of plant growth with textual explanations accompanying each movie and topic. Movie topics include Germination, Photomorphogenesis, Tropisms, Circadian Responses, General Growth, and more. Within each topic are more choices.