PBS
These Creatures Were Darwin's Greatest Enemy
They may not look like much, but beneath that shell lies an evolutionary mystery - one that stumped the biggest names in natural history for over a hundred years.
Amoeba Sisters
Ecological Relationships
Explore several ecological relationships with The Amoeba Sisters! Ecological relationships discussed include predation, competition, and symbiotic relationships (parasitism, mutualism, and commensalism). Table of Contents: Intro 00:00...
Amoeba Sisters
Nature of Science
Explore the nature of science with The Amoeba Sisters. This video discusses why there is not just one universal scientific method as well as the importance of credible sources when researching. Vocab in experimental design including...
SciShow
Sea Turtles Really DO Carry a (Microscopic) World on Their Backs
Several cultures portray the world as being carried on the back of a giant turtle. As it turns out, sea turtles really do house an entire world on their backs — one of microscopic organisms, that is!
Crash Course
Darwin and Natural Selection: Crash Course History of Science
"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection....
Curated Video
Oceans: The Intertidal Zone
Discover how ever-changing tidal ecosystems create opportunities for both predators and prey. Biology - Ecosystems - Learning Points. Tides are a powerful force of nature, created by the Moon's gravitational pull. Tides affect marine...
Professor Dave Explains
Subphylum Crustacea Part 2: Ostracoda, Copepoda, and More
Continuing with the clade Crustacea, there are 11 classes within this clade. Let's first look at the ostracods, copepods, and a few other smaller classes. There are some very strange animals in here, like the giant ostracod, fish lice,...
Curated Video
What is Symbiosis?
Symbiosis is relationship where two different species co-exist and at least one derives benefit from the other. The name for an organism with a symbiotic relationship is a symbiont. Let's look at some examples of symbiotic relationships.
Science360
How do barnacles survive environmental changes?
How do barnacles survive environmental changes? Long-term work by a Brown University research team, with funding from the National Science Foundation, has confirmed that a central metabolic protein Mpi and the gene encoding the protein...