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Terrestrial Biomes | Course Hero Biology

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Terrestrial Biomes and Ecosystems | Biology

Learn all about terrestrial biomes in just a few minutes! Jessica Pamment of DePaul University explains all about terrestrial biomes, from tropical rainforests and deciduous forests​, to deserts and savannas, to temperate grasslands, the taiga, and the tundra.

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Taiga Biome | Biology

Jessica Pamment of DePaul University explains all about taiga biomes, the largest terrestrial biomes on Earth. Taigas are also known as coniferous forests. They are found in the sub-Arctic regions of North America. There is moderate precipitation (30-70cm/year). Temperatures are cold or cool year-round (-30°C in winter and 20°C in summer). They have low biodiversity.

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The Cardiopulmonary System | Biology

Learn all about the cardiopulmonary system in just a few minutes! Jessica Pamment of DePaul University explains how the cardiopulmonary system moves gases, nutrients, and wastes throughout the body.

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Rainforest Biome | Biology

Jessica Pamment of DePaul University explains all about rainforest biomes, which are found near the equator. They have high rainfall (200-400 cm/year) and high average temperatures (25-29°C). They boast very high biodiversity.

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Tundra Biome | Biology

Jessica Pamment of DePaul University explains all about tundra biomes, which are found in the northernmost and southernmost parts of the world. Tundras are found near the poles and on mountaintops. There is very little precipitation (20-60 cm/year). Temperatures are cold (-30°C in winter and 10°C in summer). They have low biodiversity.

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Ecosystem Ecology: Links in the Chain - Crash Course Ecology #7

Hank brings us to the next level of ecological study with ecosystem ecology, which looks at how energy, nutrients, and materials are getting shuffled around within an ecosystem (a collection of living and nonliving things interacting in a specific place), and which basically comes down to who is eating who.

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Table of Contents
1) Defining Ecosystems 0:49:1
2) Trophic Structure 4:44:1
a) Primary Producers 5:27
b) Primary Consumers 5:41
c) Secondary Consumers 5:49:1
d) Tertiary Consumers 5:58:2
e) Detrivores 6:08:1
3) Bioaccumulation 8:47


References and image licenses for this episode in the Google doc here: Support CrashCourse on Subbable:
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Mutations | Biology

Learn all about mutations in just a few minutes! Jessica Pamment of DePaul University explains several types of mutations that can lead to the formation and expression of new traits. She also explores the effects of mutations and their relative costs and benefits.


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Symbiosis: Mutualism, Commensalism, and Parasitism

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Symbiosis is close and often long-term interaction between different biological species.

The definition of symbiosis is controversial among scientists. Some believe symbiosis should only refer to persistent mutualisms, while others believe it should apply to all types of persistent biological interactions (i.e. mutualistic, commensalistic, or parasitic).

In this video we show how you can simply visualize all three.

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Eukaryotes | Biology

Learn all about eukaryotic cells in just a few minutes! Jessica Pamment of DePaul University explains the basics of eukaryotes, the different types of organelles contained within eukaryotic cells, and the differences between eukaryotic cells in plants and animals.

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World Biomes: An Introduction to Climate

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We've also done videos on most of the world biomes at:


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Vascular Plants = Winning! - Crash Course Biology #37

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 take food and water from one part of a plant to another part. Though it sounds simple, the ability to move nutrients and water from one part of an organism to another was a evolutionary breakthrough for vascular plants, allowing them to grow exponentially larger, store food for lean times, and develop features that allowed them to spread farther and faster. Plants dominated the earth long before animals even showed up, and even today hold the world records for the largest, most massive, and oldest organisms on the planet.

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Table of Contents
1) 3 Tissue Types 02:37
2) Primary Growth 03:04
3) Secondary Growth 03:28
4) Dermal Tissue 04:47
a) Epidermis 04:54
5) Parenchyma Cells 05:39
6) Vascular Tissue 05:58
7) Xylem 05:58
8) Collenchyma 07:10
9) Sclerenchyma 07:35
10) Ground Tissue 08:25
a) Mesophyll 08:17
b) Photosynthesis 08:47
11) Phloem 09:54

References





crashcourse, biology, vascular plant, plant, successful, diversity, diverse, conductive tissue, evolution, growth, largest, most massive, oldest, dermal tissue, vascular tissue, ground tissue, photosynthesis, sprout, germination, primary growth, herbaceous, secondary growth, woody tissue, organ, root, stem, meristem, leaf, epidermis, cuticle, trichomes, root hairs, parenchyma, cortex, xylem, evapotranspiration, collenchyma, sclerenchyma, lignin, mesophyll, chloroplasts, stomata, phloem, sieve cells, sieve-tube elements, internal pressure, diffusion Support CrashCourse on Subbable:

Photosynthesis - Dark Reaction

Celvin cycle is the biosynthetic pathway in which 1 glucose molecule is synthesised using 18 ATP & 12 NADPH2. 6 celvin cycles are required to synthesise 1 glucose.

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The NEWEST islands on Earth (Geography Now!)

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Everything from underwater volcanoes to melting ice. This earth is ever changing and we get to discover more and more. New topic video is up! Enjoy

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Welcome to Geography Now! This is the first and only Youtube Channel that actively attempts to cover profiles on every single country of the world. We are going to do them alphabetically so be patient if you are waiting for one that's down the road.

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The Amazing Science Behind Superman's Coolest Powers [Documentary]

Here Is Our In Depth Look At Superman's Coolest Powers
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Batman V Superman: How a Man Can Beat a God [Documentary]
10 Most Powerful Superheroes From Marvel and DC

One of the most well-known characters in comic book history, Superman is also one of the oldest. Created by writer Jerry Siegel and artist Joe Shuster, Superman first appeared in Action Comics number 1 – all the way back in June of 1938, setting the stage for countless superheroes that followed in the next seventy-eight years (and counting). While certain elements of Superman’s backstory and powers remain the same nearly eight decades later, different writers and artists also brought with them changes to the hero’s mythology. Some carried forward, adding to Superman canon, while others were set aside and abandoned when they were no longer needed.

While there is not one “official” Superman, though fans will likely have their favorites, DC Comics has attempted to refine the Man of Steel over the years – delving deeper and deeper into why the Kryptonian hero can do the various “super” things he does. Superman’s powers are no secret but how, exactly, science (albeit science fiction) contributes to Kal-El’s super-human abilities is less well-known. This might be review for the biggest Superman lovers (footage of Jerry Seinfeld) but, for fans who want to know more about the Big Blue Boy Scout, we’re digging into the god-like biology of Earth’s iconic Kryptonian for our latest docu series video: the real science behind Superman’s coolest powers.

Script by: Ben Kendrick @BenKendrick

Voice Over by: Ben Kendrick @BenKendrick

Featuring:
Super Fuel | 1:26
Super Strength, Speed, And Perception | 3:03
Bio-Electric Aura | 4:41
Invulnerability | 6:22
Heat Vision | 7:36

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The Coniferous Forest Biome Explained

A big thanks to all current and future patrons who are helping fund this science communication outreach via Patreon:

I re-uploaded this because of a bad video encoding by YouTube. I honestly don't know why it works for half of you and the other half have problems.

This week I wanted to do a simple, yet important short about a biome we haven't done before - the coniferous forest biome. A lot of people skip this one when they teach biomes in schools, but it's an important (and interesting) one. You can read more about it in our in-depth article on it here:

A special thanks to our Patreon supporters for helping make this one possible - Morgan Price, Jinyuan Yeon, James Brady, Please Stand By and Larry Nelson.

Don't forget to subscribe to this channel for more great science videos!

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The Adventure Camera Bag:
The Macro Lens:
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Our BEST On-camera Mic:
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My Moving Timelapse Setup:
GoPro HERO 7:
Our Filmmaking Book:
Our Music:
The full video setup:
(By buying through these links you help us support the channel)

On Social --------------
Instagram: (Jonas @behindthescience)
Twitter:
Facebook:
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More Rhinos Found & Space Lab Crashes to Earth - 7 Days of Science

More rhinos have been counted in a national park in India, finally some good news for these animals. Also, a Chinese satellite crashes to Earth; bears may be evolving new behaviours in Sweden; a four-eyed prehistoric lizard and more.

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The Economics Behind Student Behaviors

How can you use economic principles to motivate students to achieve academic goals? Penn State's Jadrian Wooten explains in this lecture.

MVCC Introduction to Marine Course with Travel to Belize - Marine Bio 221Biology 2018

Spring Semester Course 2018 Study in Belize Over Spring Break
BIO-221 Introduction to Marine Biology
Moraine Valley Community College outside Chicago in Palos Hills, IL
MVCC

Hands-on learning of a lifetime.
Earn 4 credit hours while you study corals, crabs, sea grass beds, mangroves and more on the second largest barrier reef in the world.
Class size is limited.

Study on a Coral Reef in Central America
This marine biology course offered by Moraine Valley Community College takes you on an adventure as you travel to Belize, an exotic country in Central America with the world’s second largest barrier reef. Snorkel diverse coral reefs, track exotic fish, corals and a diversity of creatures, stay at an island field station and journey to protected marine reserves like the Great Blue Hole and Half Moon Caye, explore a Mayan Ruin, sleep over and tour the Belize Zoo, pet a jaguar, enjoy delicious Central America cuisine, and meet local Belizeans.

BIO-221 Introduction to Marine Biology (4 credit hours)
Prerequisites: BIO-104, 111, 112 or consent of instructor. Must be able prove swimming ability through a swim test. This course requires high-level physical activity, swimming and snorkeling. Passport that does not expire before December 31, 2018.

Class Meetings
On the MVCC campus – 9am-2pm on five Fridays before the spring break trip and two after. Eight days in Belize. Estimated departure from Chicago at the beginning of spring break on Saturday, March 10th. Estimated return to Chicago on Saturday, March 17th. Satisfactory classroom and field activity in Belize mandatory to pass this course.

Cost
$2550 + course tuition and fees
Trip fee includes: airfare, meals, bunkbed hostel-style housing, shuttle to and from airport, daily snorkeling including a night snorkel, underwater camera use, Belize zoo sleep over with day and night tours, Petting a jaguar, Mayan ruin expedition, exploration of Half Moon Caye Natural Monument and the Great Blue Hole and other once in a lifetime adventures for eight days.

Payment Schedule
1. See Professor Zurawski for mandatory application & forms
2. $600 – Non-refundable deposit to reserve your spot
3. $500 – Due by November 17
4. $500 – Due by December 8
5. $500 – due by February 1
6. $450 – Due March 1

How to Enroll
To apply to secure your spot, contact Professor Zurawski for application, mandatory forms and payment information: zurawski@morainevalley.edu.

Special thanks for the awesome music to Fitz & the Tantrums for Out of My League & The Walker (order here: or or )

Ecology, Evolution, and Species Diversification in Hawaiian Islands

Rosemary Gillespie, Professor and Schlinger Chair in Systematic Entomology, University of California, Berkeley

Oceanic hotspot archipelagoes—such as Hawaii —in which volcanoes have been formed sequentially over extended periods of time, allow us to study a single island as a “snapshot” in time. In this way we can look at how communities of organisms come together and how ecological interactions evolve. Rosemary Gillespie will discuss her research on the evolution and ecology of spiders in the Hawaiian archipelago and why understanding the abundance and interactions of species within ecosystems can provide insights into the forces that shape biodiversity. She will also highlight how this work is relevant to managing invasive species and restoring ecosystems.

Series supported by a generous gift from Drs. Herman and Joan Suit

March 22, 2016

2.14.1 Describing past experiences with 过 | HSK 2 Beginner's Chinese Course

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