Tag: organ

Organization of Life

Organization of Life

By Micah Moen 11 Comments August 31, 2019

Life on Earth is organized into different levels based on degree of complexity. These levels range from the very small and simple (like the atom) to the very large and complex (such as the biosphere). They are organized into a type of hierarchy, with the larger levels enveloping the smaller levels- sort of like Russian […]

Great Glands – Your Endocrine System: CrashCourse Biology #33

Great Glands – Your Endocrine System: CrashCourse Biology #33

By Micah Moen 100 Comments August 16, 2019

Hormones! Those things that make teenagers moody and miserable, and they cause growth spurts and acne, and they can make a perfectly normal student totally obsessed with his algebra teacher. Not that I have any real, boots-on-the-ground experience with that last one. But all that mayhem is just the handiwork of your sex hormones. The […]

The Excretory System: From Your Heart to the Toilet –  CrashCourse Biology #29

The Excretory System: From Your Heart to the Toilet – CrashCourse Biology #29

By Micah Moen 100 Comments August 16, 2019

One of the coolest and most important things that our bodies do is maintain this thing called homeostasis, the regulation of a stable internal environment, no matter where we are or what we’re doing. After all, we put our bodies through a lot every single day: We’re always adding food and liquid and chemicals, and […]

Comparative Anatomy: What Makes Us Animals – Crash Course Biology #21

Comparative Anatomy: What Makes Us Animals – Crash Course Biology #21

By Micah Moen 100 Comments August 14, 2019

Hi, I want you to meet my friend Shoshanna. She’s a Zebra Finch and she is very good at it. She’s here to help me talk about comparative anatomy, which is the study of similarities and differences between the anatomies of animals. We study comparative anatomy because it helps us learn more about our evolution […]

Vascular Plants = Winning! – Crash Course Biology #37

Vascular Plants = Winning! – Crash Course Biology #37

By Micah Moen 100 Comments August 14, 2019

This is yarrow, a flowering plant found all over the Northern Hemisphere. Its feathery leaves have natural astringent properties, and its scientific name, Achillea, comes from Achilles, the Greek hero, who is said to have used it on the wounds of his soldiers. And this is snakegrass, also known as horsetail or, to the kids, […]

Biological Levels in Biology: The World Tour

Biological Levels in Biology: The World Tour

By Micah Moen 100 Comments August 3, 2019

Captioning is on. Turn off by clicking the CC button at bottom right! Follow us on Twitter (@AmoebaSisters) or Facebook! If I asked you to describe the biological levels of organization, could you do it? What would those levels be? Actually, what would be the point about caring about it in the first place? Biological […]

The Hierarchy of Life

The Hierarchy of Life

By Micah Moen 32 Comments August 3, 2019

Hi. It’s Mr. Andersen. Today I’m going to talk about the hierarchy of life. Biology is organized from the very small to the very large which would be the biosphere. And so each of these different levels is called a system. And a system is separated from its surroundings using a boundary. And so an […]

Conservation: Playing Tipu’s Tiger

Conservation: Playing Tipu’s Tiger

By Micah Moen 23 Comments August 3, 2019

Well whilst the object's been here we've had the object up and running and a specialist has come along to the museum who has an understanding of ancient and eighteenth century instruments and he has come to play the object for us.