Sal clarifies concepts covered in the Khan Academy video on Biodiversity in the Phanerozoic Eon. He explains the types of animals and plants that were the first life forms on land. Additionally, he describes what these organisms would...

Can humans protect other species from the effects of climate change? Can animals adapt or evolve fast enough to survive? Check out this video for some surprising answers.

While 80 percent of people with West Nile Virus show no symptoms, in severe cases, it causes death by infecting the membranes around the spinal cord and brain. The video starts by making population ecology relevant. It includes density...

Transcription happens in every cell, including plants, animals, and in all living matter. Observe the process of transcription through a slow and detailed animation of the process. With each step described in detail, viewers comprehend...

The first examples of mimicry we have found date back to before flowering plants. The video goes in depth on predators at the community ecology level. It includes discussions of herbivores, parasitism, adaptations, cryptic coloration,...

Interactive material and animated video for kids to learn about the ecology of plants and animals, and what they can do to protect the environment.

Explore the needs of living things, including plants and animals, as you complete this interactive tutorial.

Explore the needs of living things, including plants and animals, as you complete this interactive tutorial.