MinuteEarth
The Bacteria That Made Life Possible Is Now Killing Us
Thanks to the St. Croix Watershed Research Station for sponsoring this video! To learn more about their work, visit https://www.smm.org/scwrs/. Aquatic cyanobacteria first oxygenated earth’s air, making human life possible; now, due to...
TED-Ed
TED-Ed: The simple story of photosynthesis and food - Amanda Ooten
Photosynthesis is an essential part of the exchange between humans and plants. Amanda Ooten walks us through the process of photosynthesis, also discussing the relationship between photosynthesis and carbohydrates, starch, and fiber --...
Bozeman Science
AP Biology Lab 4: Plant Pigments and Photosynthesis
Paul Andersen explains how pigments can be separated using chromatography. He shows how you can calculate the Rf value for each pigment. He then explains how you can measure the rate of photosynthesis using leaf chads and water...
Bozeman Science
Photosynthesis Lab Walkthrough
Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves before the lab. As the chloroplasts absorb light they produce oxygen bubbles which...
SciShow
Studying Supernovas From the Bottom of the Ocean
Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!
SciShow
When Algae Learned to Hunt
You probably don't consider algae to be super aggressive, but 66 million years ago had to turn to murder in order to survive.
Bozeman Science
The Chloroplast
In this video Paul Andersen explains how the chloroplast in plants harnesses power from the Sun to form high energy molecules like glucose. The structure of a chloroplast as well as a brief discussion of the light reaction and Calvin...
MinuteEarth
Which Came First - The Rain or the Rainforest?
Which Came First - The Rain or the Rainforest
MinuteEarth
The Real Reason Leaves Change Color in the Fall
Want to learn more about the topic in this week's video? Here are some keywords to get your googling started: Leaf senescence, chlorophyll, carotenoid, anthocyanin
Bozeman Science
LS1C - Matter and Energy Flow in Organisms
Sustaining life requires substantial energy and matter inputs. The complex struc- tural organization of organisms accommodates the capture, transformation, trans- port, release, and elimination of the matter and energy needed to sustain...
Bozeman Science
Endosymbiosis
Paul Andersen explains how eukaryotic cells were formed through a process of endosymbiosis. He describes how aerobic bacteria became mitochondria and cyanobacteria became chloroplasts. He mentions an example of symbiosis that occurs...
Crash Course Kids
Who Needs Dirt?
So... do plants need dirt? The truth might shock you. In this episode of Crash Course kids, Sabrina talks about how plants get energy and how that energy is transported around them. Also, she talks about dirt.
Bozeman Science
Plant Nutrition and Transport
Paul Andersen explains how nutrients and water are transported in plants. He begins with a brief discussion of what nutrients are required by plants and where they get them. He shows you dermal, vascular and ground tissue in monocot and...
Crash Course
Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology
Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most...
Bozeman Science
Photosynthesis
Paul Andersen explains the process of photosynthesis by which plants and algae can convert carbon dioxide into useable sugar. He begins with a brief description of the chloroplast. He describes the major pigments in a plant (like...
Bozeman Science
Energy Flow in Ecosystems
In this video Paul Andersen explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis. Producers and consumers release the energy from food through cellular respiration. An explanation...
Crash Course
Vascular Plants = Winning! - Crash Course Biology
Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can...
Crash Course
Plant Cells: Crash Course Biology
Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to & different from animal cells.
Curated Video
Importance of Photosynthesis
New ReviewThis video explains how plants and photosynthesis are the basis of all food sources.
Curated Video
Plants and Energy
New ReviewThis video describes the processes of photosynthesis and cellular respiration.
Curated Video
Composition of the Atmosphere
New ReviewA video entitled "Composition of the Atmosphere" which talks about what gases are found in the atmosphere, what happens in photosynthesis, and what the ozone accomplishes.
Curated Video
What Happens to Your Energy When You Die?
New ReviewWhat Happens To Your Energy when you Die? During the time that you will be watching this video, 500 people around the world will die. Their thoughts, their hopes, their dreams no longer with us. About 3 people die every 2 seconds. I hope...
Curated Video
The boreal forest biome
Pupil outcome: I can locate boreal forests and explain their climate and adaptations. Key learning points: - The boreal forest is the world's largest land-based biome. - The boreal forest is also known as the taiga; they are found at...
Curated Video
The function of leaves
Pupil outcome: I can describe why plants have leaves. Key learning points: - Many plants have roots, stems, leaves and flowers. - Plants can make their own food. This happens in the leaves of a plant. - Plants make food in their leaves,...