Professor Dave Explains
Mechanisms of Natural Selection Types of Sexual Selection
We touched upon sexual selection when we learned about natural selection. Essentially when there is a variance in the reproductive success of a particular sex for a given species, secondary sex characteristics will develop in that...
Professor Dave Explains
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow
After going through Darwin's work, it's time to get up to speed on our current models of evolution. Much of what Darwin didn't know is now known and understood very well, so we can meticulously go through much of the evidence we see for...
Professor Dave Explains
The Psychology of Emotion and Stress
Humans, just like most other mammals, display a wide variety of emotional states. But what are emotions? Why do we have them? What purpose do they serve in an evolutionary context? Let's get to the bottom of emotions right now!
After Skool
What Happens When You Drink SeaWater?
Over 2/3rds of the earth is covered in water, but only 2% of that water is pure. As clean drinking water becomes more scarce, you maybe wondering What happens if I drink seawater? Let's first examine how our bodies absorb water. You may...
Brave Wilderness
Elephant Seal Research Mission!
On this episode of Breaking Trail, Coyote teams up with Año Nuevo Reserve Director, Dr. Patrick Robinson, to assist with his Elephant Seal research for the Costa Lab at the University of California Santa Cruz. Coyote and Dr. Patrick’s...
Mazz Media
What is Adaptation?
This live-action video program is about the word Adaptation. The program is designed to reinforce and support a student's comprehension and retention of the word Adaptation through use of video footage, photographs, diagrams and...
FuseSchool
BIOLOGY - Evolution -Competition & Natural Selection
In nature, all organisms compete with each other for resources in order to survive. Competition between members of the same species is what makes organisms evolve. This theory of competition and ‘survival of the fittest’ is called...
Weird History
Would You Survive Living In a Different Era?
Ever wonder how you'd fare in a different time period? Today, we're exploring the most lethal dangers people from around the world faced from 14th century Florence to 1st century ancient Rome.
Visual Learning Systems
Adaptations and Animal Behavior
This video explains the concept of adaptations in animals, focusing on both physical characteristics and behavioral traits. The video also introduces the idea of stimuli and responses, emphasizing how animals react to changes in their...
Curated Video
Determine Associations by Comparing Conditional Relative Frequencies
This video explains how to determine associations between the class of passengers on the Titanic and their survival rates. They demonstrate how to calculate conditional relative frequencies and caution against making assumptions based...
Mr. Beat
Why Learn Social Studies?
Every year I have students who go: "(groan)(whine) ugh, why do have to even learn social studies?" Each time, I would promptly give each of them an answer to this common question. After a few years of teaching, I sometimes get tired of...
Press Association
Murdo Fraser launches bid to become Scottish Conservative leader
Murdo Fraser has said change is a “matter of survival” for the Scottish Conservatives as he welcomed the backing of two other MSPs who dropped out of the leadership race.
The veteran MSP received the support of Liam Kerr and Jamie...
Press Association
Sir Keir Starmer says voters in 'survival mode' over cost-of-living crisis
Sir Keir Starmer shared a story of how the cost-of-living crisis ;whittles away at our joy;, and said Labour must grasp big decisions for working people in the UK.
After sharing a story of his own holiday to the Lake District, the...
Getty Images
Garden Spider (Araneus) biting wasp, wasp sting repeatedly emerges & retracts, England
Garden Spider (Araneus) biting wasp, wasp sting repeatedly emerges & retracts, England
Getty Images
CU High angle, mixture being poured on to hot plate to make pancakes, Ethiopia, Africa
CU High angle, mixture being poured on to hot plate to make pancakes, Ethiopia, Africa
Getty Images
Hurricane Flora hits Haiti
/ Aerial scenes of storm devastation in Haiti / destruction, broken buildings and chaos / stunned survivors stand around / Navy helicopter in the sky.
Getty Images
A rescue worker finds a snow-covered vehicle following a natural disaster.
A rescue worker finds a snow-covered vehicle following a natural disaster.
Getty Images
BCU Zoom out, Group of Orange Lacewing Butterfly (Cethosia penthesilea) Caterpillars on plant stem, Australia
BCU Zoom out, Group of Orange Lacewing Butterfly (Cethosia penthesilea) Caterpillars on plant stem, Australia
Getty Images
Garden Spider (Araneus) biting wasp, England
Garden Spider (Araneus) biting wasp, England
Getty Images
BCU hoverfly collecting pollen from stamen of water lily
BCU hoverfly collecting pollen from stamen of water lily