Description given on Youtube:
Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they’ve tricked it out so that it works a whole lot differently compared to the way it did back in the Ordovician swamps where it got its start. Here’s how the vascular plants (ferns, gymnosperms and angiosperms) do it.

Crash Course Biology is now available on DVD! http://dft.ba/-8bCC

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Table of Contents
1) Sporophyte Dominance 01:55
2) Ferns 02:14
3) Gymnosperms 03:35
4) Angiosperms 05:33
5) Truth or Fail: Fruit Edition! 08:28

References for this episode can be found in the Google document here: http://dft.ba/-2d8V

crash course, biology, plant, reproduction, sporophyte, gametophyte, diploid, haploid, cell, alternation of generations, vascular plants, cone, flower, strategy, reproductive, sex, dominance, chromosome, sporophyte dominant, fern, spore, frond, extinct, pollen, ovule, seed, evolution, gymnosperm, conifer, ginko, cycad, lodgepole pine, serotinous, forest fire, competition, angiosperm, flying insect, coevolve, mutualism, perfect flower, male, female, sepal, petal, anther, filament, stamen, ovary, style, stigma, pollination, bee, fertilization, fruit, hank green Support CrashCourse on Subbable: http://subbable.com/crashcourse

Description given on Youtube:

Description given on Youtube:
When we enter this era again, upward prices on farm commodities will be the norm, affecting the economy as much as rising oil prices did from 2002-2010.

The Sun’s energy output and Solar Irradiance do affect our planet’s weather in repeating cycles, and through 400 years of sunspot observation, it seems we are starting to repeat a cold period of either the 1830’s (Dalton Minimum) or 1650’s (Maunder Minimum) era.

During the height of the Little Ice Age 1650, it was in general about 1-2 degrees Celsius colder than at present. Winters were bitterly cold and prolonged, reducing the growing season by several weeks.

The prices of grain increased and wine became difficult to produce in many areas and commercial vineyards vanished in England. Storminess and flooding increased and in mountainous regions the tree line and snowline moved southward.

Source Guide

Geophysical Institute – University of Alaska – Fairbanks
Home Page – http://gse.gi.alaska.edu/
Recent Solar Weather Predictions – http://gse.gi.alaska.edu/recent/
FTP Page – http://gse.gi.alaska.edu/recent/archive/

GFZ – Helmoltz Centre – Potsdam
Home Page – http://www-app3.gfz-potsdam.de/kp_index/index.html
Kp Index – http://www-app3.gfz-potsdam.de/kp_index/quicklook.html
Kp Index Background – http://www-app3.gfz-potsdam.de/kp_index/description.html
FTP Page – ftp://ftp.gfz-potsdam.de/

leif.org – Leif Svalgaard
Home Page – http://www.leif.org/research/

National Institute of Information and Communications Technology (NICT)
Home Page – http://www.nict.go.jp/index.html
Data & Products Page – http://hirweb.nict.go.jp/
Space Weather Forecast Page – http://www2.nict.go.jp/y/y223/sw_portal/sw_portal-e.html
Solar Wind Simulations – http://www2.nict.go.jp/y/y223/simulation/ionos/sun/index.html
Magnetosphere Simulations – http://www2.nict.go.jp/y/y223/simulation/realtime/home.html
Magnetosphere Animations Back to 2006 – http://www2.nict.go.jp/y/y223/simulation/realtime/movie.html
Ionosphere-Thermosphere Simulation – http://www2.nict.go.jp/y/y223/simulation/ion/index.html

National Oceanic and Atmospheric Administration (NOAA) – Earth System Research Laboratory (ESRL)
Home Page – http://www.esrl.noaa.gov/
Physical Sciences Division (PSD) Products Page – http://www.esrl.noaa.gov/psd/products/
Physical Sciences Division (PSD) Data Data Page – http://www.esrl.noaa.gov/psd/data/
Physical Sciences Division (PSD) Data Maps Page – http://www.esrl.noaa.gov/psd/map/

National Oceanic & Atmospheric Administration (NOAA) – National Geophysical Data Center
Home Page – http://www.ngdc.noaa.gov/
Geomagnetism Page – http://www.ngdc.noaa.gov/geomag/geomag.shtml
Geomagnetic Poles Location – http://www.ngdc.noaa.gov/geomag/GeomagneticPoles.shtml
Space Weather Page – http://www.ngdc.noaa.gov/stp/spaceweather.html/
Ovation Aurora page – http://www.ngdc.noaa.gov/stp/ovation_prime/
FTP Page – ftp://ftp.ngdc.noaa.gov/

National Oceanic & Atmospheric Administration (NOAA) – Space Weather Prediction Center
Home Page – http://www.swpc.noaa.gov/pmap/index.html
Space Weather Now – http://www.swpc.noaa.gov/SWN/index.html
Energetic Particles – http://www.swpc.noaa.gov/tiger/
Auroral Activity – http://www.swpc.noaa.gov/pmap/index.html
Real-time Monitor Displays – http://www.swpc.noaa.gov/rt_plots/
FTP Page – http://www.swpc.noaa.gov/ftpdir/

University of Delaware – Bartol Research Institute – Neutron Monitor Program
Home Page – http://neutronm.bartol.udel.edu/

University of Oulu – Sodankyla Geophysical Observatory
Home Page – http://www.oulu.fi/english/
Cosmic Ray Station – http://cosmicrays.oulu.fi/

Solen.info – Jan Alvestad
Home Page – http://www.solen.info/solar/
Archive of Solar Activity Reports – http://www.solen.info/solar/old_reports/

SORCE Solar Radiation & Climate Experiment – The University of Colorado at Boulder – NASA
Home Page – http://lasp.colorado.edu/sorce/index.htm
Total Solar Irradiance (TSI) Page – http://lasp.colorado.edu/sorce/data/tsi_data.htm
Solar Spectral Irradiance (SSI) Page http://lasp.colorado.edu/sorce/data/ssi_data.htm

Description given on Youtube:
Growing up in Towner Colorado you learn a lot about the Harvest Combine. Here is a story about the History of the Wheat Harvest and Combines. It has Old Combines, Vintage Combines, Funny Combines, Big Combines, Strange Combines, Weird Combines and about every other thing you wanted learn about The Combine Harvester.

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Yum.

Description given on Youtube:
You can selectively remove [Onion Weed] from most Warm Season Grasses except from Queensland Blue Couch. The [Selective Herbicide] that targets Onion Weed is a product called Destiny (manufactured by Bayer). Onion Weed is a seasonal weed that re-emerges in Autumn and disappears in the summer heat. Its tubular roots make it difficult to control with Roundup [Glyphosate].

The Selective Herbicide, [Destiny], is only available to Professional Lawn Care contractors as it has only been registered for Professional Use.
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[Onion Weed]
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[Controlling Onion Weed]
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[How To Get Rid Of Clover In Lawn]
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Description given on Youtube:
Grain sorghum is a rising crop for North Carolina and the Mid-Atlantic region. As a result of collaboration between Murphy Brown, LLC, the Sorghum Checkoff, and the North Carolina Department of Agriculture and Consumer Services, the Mid-Atlantic Feed Grain Initiative has challenged producers to increase local grain production in order to meet regional demand.

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AP Biology Plant Anatomy Chapter 35 part 1

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Elgin ND is a high yielding milling wheat from the NDSU breeding program with class-leading protein. This awned CWIW wheat has an excellent disease package and good lodging resistance. Elgin ND is ideal for growers seeking high yield and maximum revenue per acre.

Description given on Youtube:
Stephen knows talking about Donald Trump is terrible for him, but it just tastes so good.