PBS
How Our Deadliest Parasite Turned To The Dark Side
Around 10,000 years ago, somewhere in Africa, a microscopic parasite made a huge leap. With a little help from a mosquito, it left its animal host - probably a gorilla - and found its way to a new host: us.
SciShow Kids
Solar-Powered Slugs
We need to eat food to fuel our bodies, but this special slug, called emerald elysia, can make food using sunlight - just like plants do! All organisms have external parts. Different animals use their body parts in different ways to see,...
PBS
How Two Microbes Changed History
What if I told you that, more than two billion years ago, some tiny living thing started to live inside another living thing .... and never left? And now, the descendants of both of those things are in you?
TED-Ed
TED-Ed: These animals are also plants ... wait, what? | Luka Seamus Wright
The species of slug known as Elysia chlorotica may not look like much— it resembles a bright green leaf— but it's one of the most extraordinary creatures on our planet. Living in marshes along the coast of North America, it can go about...
Bozeman Science
Eukarya
Paul Andersen discusses the defining characteristics of the members of Domain Eukarya. He starts with a brief description of the phylogeny of life on earth. He then discusses the major characteristics of eukaryotic cells. He explains how...
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...
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...
TED-Ed
TED-ED: How we think complex cells evolved - Adam Jacobson
Imagine you swallowed a small bird and suddenly gained the ability to fly - or you ate a cobra and were able to spit poisonous venom! Well, throughout the history of life (and specifically during the evolution of complex eukaryotic...
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
Eukaryote
Organisms whose cells contain complex membrane-bound structures, called organelles. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Photochemical reactions
A chemical reaction caused by the absorption of light. 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...
Curated Video
Parts of the Plant: Leaves
Why are leaves commonly flat, spongy and strikingly green? Discover the different parts of a leaf and their function. Biology - Plants - Learning Points. A leaf is made of many layers sandwiched between tough outer layers. Gases enter...
Curated Video
Photosynthesis: How Plants Convert Sunlight into Energy
Journey into the chloroplast, where photosynthesis takes place, to learn how plants convert sunlight into usable chemical energy - one of the most vital processes on Earth. Biology - Plants - Learning Points. Leaves are small...
Curated Video
What is a Cell? - Life’s Building Blocks
Every living thing on our planet, from plants to animals, is made up of cells. Cells are the building blocks of life, but what are they and how do they work? Biology - Cells And DNA - Learning Points. All cells have vital genetic...
Curated Video
Plant vs Animal Cells
We compare plant cells and animal cells under a microscope to see how they differ. Cheek cells are dyed with methylene blue to make the observations possible. Biology - Cells And DNA - Learning Points. Almost all cells are invisible to...
Curated Video
Parts of a Plant - Plant Anatomy
Learn all about the parts of a plant. Life processes - Green plants - Parts of a plant Learning Points Leaves use water, carbon dioxide and sunlight to carry out photosynthesis. Root hairs absorb water and nutrients from the soil. The...
Curated Video
Parts of a flower
Are flowers male or female? The answer is, they're both! Life processes - Green plants - Reproduction in flowering plants Learning Points All flowers have both male and female reproductive parts. The stamen is the male part of a flower....
Wonderscape
Differences Between Plant and Animal Cells
Explore the unique features of plant cells compared to animal cells. Learn about the specialized structures such as vacuoles, cell walls, and chloroplasts that distinguish plant cells. Understand how these features contribute to the...
Curated Video
Photosynthesis
Dr. Forrester teaches about photosynthesis and the functions of a plant’s stem.
Curated Video
GCSE Biology - Photosynthesis #48
Photosynthesis. What is it? How does it work? Why do plants do it? What is all that glucose used for?
Curated Video
GCSE Biology - Factors Affecting the Rate of Photosynthesis #49
The rate of photosynthesis is affected by light intensity, temperature, carbon dioxide concentrations, and chlorophyll. In this video we explore exactly how, and also how farmers can use this knowledge to increase the yields of their crops.
Rock 'N Learn
Plant and Animal Cells for Kids
What are the differences between plant and animal cells? How are plant and animal cells alike? You might be surprised that there are more similarities than differences. Join Kevin as he transports to the Cellular Learning Center. You...
Curated Video
The Process of Photosynthesis
The Process of Photosynthesis explains that the source of energy in ecosystems comes from sunlight by illustrating producers transferring and transforming energy through photosynthesis.