PBS
How a Mass Extinction Event Created the Amazon
The Amazon rainforest of South America is a paradise for flowering plants. But long ago, the landscape that we now think of as the Amazon looked very different. And would you believe that the entire revolution of the Amazon began with...
PBS
Why Does Caffeine Exist?
Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again?
Curated Video
How (Some) Plants Survived The K-Pg Extinction
Perhaps for plants in times of great stress and ecological upheaval, the more DNA the better.
SciShow
The Mystery of the Biggest Genomes
3 billion base pairs is a pretty typical genome size for organisms like us, but there are a few plants and animals with genomes so huge they completely blow this number out of the water. Hosted by: Olivia Gordon
SciShow
Why Are There So Many Beetles
Beetles are the most diverse group of complex organisms on Earth, making up over 20% of all named animal species. One in five species on this planet is...a beetle. How did one group of organisms get THAT massive?
TED-Ed
TED-Ed: How bees help plants have sex - Fernanda S. Valdovinos
Plants have a hard time finding mates -- their inability to get up and move around tends to inhibit them. Luckily for plants, bees and other pollinator species (including butterflies, moths and birds) help matchmake these lonely plants...
TED Talks
Marla Spivak: Why bees are disappearing
Honeybees have thrived for 50 million years, each colony 40 to 50,000 individuals coordinated in amazing harmony. So why, seven years ago, did colonies start dying en masse? Marla Spivak reveals four reasons which are interacting with...
TED Talks
TED: The unexpected, underwater plant fighting climate change | Carlos M. Duarte
Once considered the ugly duckling of environmental conservation, seagrass is emerging as a powerful tool for climate action. From drawing down carbon to filtering plastic pollution, marine scientist Carlos M. Duarte details the...
SciShow
5 Strangely Familiar Ancient Animals
Once evolution finds a trick that works, it tends to repeat it. Here are a few examples of prehistoric animals that look a lot like ones we know today. chapters 0:00 0:06 0:13 0:20 0:27 0:34
TED Talks
Michael Dickinson: How a fly flies
An insect's ability to fly is one of the greatest feats of evolution. Michael Dickinson looks at how a fruit fly takes flight with such delicate wings, thanks to a clever flapping motion and flight muscles that are both powerful and...
TED Talks
TED: The beautiful tricks of flowers | Jonathan Drori
In this visually dazzling talk, Jonathan Drori shows the extraordinary ways flowering plants -- over a quarter million species -- have evolved to attract insects to spread their pollen: growing 'landing-strips' to guide the insects in,...
Amoeba Sisters
Plant Reproduction in Angiosperms
Join us as we explore flower parts, pollination, and double fertilization in angiosperms. We'll also talk about the importance of pollinators, like bees, and the role they play. 00:00 Intro 1:34 What are Angiosperms? 1:48 Fruit 2:29...
SciShow
Why Are These Bees STABBING Plants?
Humans know a lot about bees, seeing as they impact both our ecology and our economy. But there's something about bumble bees that we totally missed until recently; a super weird and mysterious behavior that might give them a leg up in...
SciShow Kids
The Biggest Flower in the World!
Squeaks wants to know more about the biggest flower in the world! So Mister Brown teaches him all about this stinky, weird plant - called Rafflesia arnoldii!
Disciplinary Core Idea:
LS2.A: Interdependent Relationships in Ecosystems -...
SciShow
The Mystery of the Biggest Genomes
3 billion base pairs is a pretty typical genome size for organisms like us, but there are a few plants and animals with genomes so huge they completely blow this number out of the water.
SciShow
Solving the 70 Million Year “Gap” in Flower Evolution
More than 90% of the plants on Earth are angiosperms, flowering plants whose seeds are enclosed inside fruit. And they’re everywhere -- but exactly how and when these plants came to be so ubiquitous is one of the most stubborn questions...
Crash Course
Complex Animals: Annelids & Arthropods - CrashCourse Biology
Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.
PBS
When Did the First Flower Bloom?
During the Cretaceous Period, dinosaurs were more diverse, more fierce, and more strange than ever. But something else was happening under the feet of the terrible lizards: for the first time in history, there were flowers.
Curated Video
Evolution & Classification of Life | From Single Celled Bacteria to Humans
Evolution & Classification of Life | From Single Celled Bacteria to Humans
Curated Video
Angiosperm
Flowering plants, or more precisely plants whose seeds are enclosed in a fleshy fruit, rather than being naked at pollination. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Pollination - Pollen Transfer
The transfer of pollen from an anther to a stigma, enabling sexual reproduction in flowering plants. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Interdependence of living things
Mutual dependence between organisms or systems. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts...
Curated Video
Reproduction in flowering plants – Clip
Did you know that insects are pollinators of plants? Life processes - Green plants - Reproduction in flowering plants Learning Points Some plants rely on insects for pollination. A Twig Tidbit Film - Clip. A short film that extends the...
Curated Video
Comparing Data Sets Using Mean and MAD
In this math video we will solve a math problem by comparing data sets using mean and MAD. We will understand that mean represents the average of a set of data. We will understand that MAD represents the Mean Absolute Deviation of a data...