TED Talks
Ted: Ted Ed: How Do Animals See in the Dark?
To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals, on the other hand, experience a rich and varied world, bursting with details, shapes, and colors.Anna Stockl uncovers the science behind night...
BBC
Bbc: Gcse Bitesize: Adaptations Adaptations, Interdependence and Competition
Organisms depend on each other for survival. This is called interdependence. Both living and non-living factors will affect the abundance and distribution of organisms in a habitat. Included is a link to a test.
TED Talks
Ted: Ted Ed: How Do Fish Make Electricity?
How do fish produce electricity? Eleanor Nelsen illuminates the science behind electric fish.
Khan Academy
Khan Academy: Biological Adaptations: The Case of Atlantic Salmon
Practice for the MCAT by answering questions based on the given graph about biological adaptations in Atlantic Salmon.
Khan Academy
Khan Academy: Human Physiological Development
Free-standing questions on human physiological development.
PBS
Pbs: Night Creatures of the Kalahari: Night Vision
Click on the eye and learn about the nocturnal animal it belongs to. Animals include cuttlefish, pit-viper, tarsier, flying gecko, fruit bat and the owl.
PBS
Pbs Teachers:how Can I Hide in Namib?
Identify how certain species survive in the Namib Desert through color protection, and determine what techniques animals in Namib use to hide from predators and to wait for prey.
PBS
Pbs Teachers: Why Do Elephants Have Big Feet?
Explain how an organism's adaptations give it advantages in particular environments. Calculate and compare the amount of pressure exerted by the foot of an elephant and a human, and apply that knowledge to an understanding of automobile...