SciShow: For These 7 Species, Sex Changes Everything

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: Go to http://Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription. Animals and plants come in an amazing variety of shapes, sizes and colors. And in some species, they take it pretty extreme to deal with the battles within and between sexes. Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Carpentier, Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Elephant Seals and Cichlids: https://www.sciencedirect.com/science/article/pii/B9780123808585000095 http://cetus.ucsd.edu/sio133/PDF/Sexual%20Dimorphism.pdf https://link.springer.com/article/10.1007/BF00302924 https://blogs.scientificamerican.com/tetrapod-zoology/incredible-elephant-seals-part-1/ https://www.jstor.org/stable/4533425?read-now=1&seq=2#page_scan_tab_contents http://behav.zoology.unibe.ch/sysuif/uploads/files/esh/pdf_online/schuetz/Schuetz_JFishBiol2000.pdf https://link.springer.com/article/10.1007/s12038-010-0030-6 Moas: https://www.nature.com/articles/nature01871 https://royalsocietypublishing.org/doi/full/10.1098/rspb.2013.0401 Blue and Great Tits: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1690890/pdf/11839194.pdf https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2003.2375 https://www.nature.com/articles/362537a0 Orchids: http://www.indefenseofplants.com/blog/2017/12/27/the-extraordinary-catasetum-orchids https://www.researchgate.net/publication/6066067_Sexual_Dimorphism_in_Catasetum_Orchids_Forcible_Pollen_Emplacement_and_Male_Flower_Competition https://www.sciencedirect.com/science/article/abs/pii/S003194221500093X https://esajournals.onlinelibrary.wiley.com/doi/10.2307/2937200 https://www.scielo.sa.cr/pdf/lankesteriana/v16n1/1409-3871-lankesteriana-16-01-00043.pdf Sticklebacks: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3261870/ https://life.bio.sunysb.edu/ee/belllab/Bell_Foster_Book/Entire_Book.pdf Rusty Tussock Moths: http://entnemdept.ufl.edu/creatures/urban/medical/tussock_moths.htm https://www.researchgate.net/publication/8665926_Zera_AJ_Denno_RF_Physiology_and_ecology_of_dispersal_polymorphism_in_insects_Annu_Rev_Ent_42_207-230 https://link.springer.com/chapter/10.1007/978-3-642-71155-8_3 https://en.wikipedia.org/wiki/Orgyia_antiqua#/media/File:Orgyia_antiqua_MHNT.CUT.2012.0.356.Gières.jpg Spoon Worms: https://www.jstor.org/stable/3548792?read-now=1&refreqid=excelsior%3Ad974221a5ffd9fdc330d1e36624db4b4&seq=2#page_scan_tab_contents https://link.springer.com/chapter/10.1007/978-3-642-66069-6_10 https://animalfactsbit.blogspot.com/2017/04/green-spoon-worm-facts-habitat-diet-and.html https://www.earthtouchnews.com/natural-world/animal-behaviour/sex-changes-sperm-slaves-ballooning-bodies-spoon-worms-are-really-weird/ Image Sources: https://www.youtube.com/watch?v=M5h57-NPqyI https://commons.wikimedia.org/wiki/File:Spawning-Coordination-of-Mates-in-a-Shell-Brooding-Cichlid-517849.f1.ogv https://en.wikipedia.org/wiki/Sexual_dimorphism#/media/File:Male_and_female_A._appensa.jpg https://en.wikipedia.org/wiki/File:Pair_of_mandarin_ducks.jpg https://en.wikipedia.org/wiki/File:Great_tit_side-on.jpg https://en.wikipedia.org/wiki/File:Parus_major_Luc_Viatour.jpg https://commons.wikimedia.org/wiki/Catasetum_osculatum#/media/File:Catasetum_osculatum_Orchi_088.jpg https://commons.wikimedia.org/wiki/Catasetum_osculatum#/media/File:Catasetum_osculatum_Orchi_023.jpg https://en.wikipedia.org/wiki/File:Male_Euglossa_sp.jpg https://www.youtube.com/watch?v=UdmFaxeEDx8 https://www.flickr.com/photos/uwnews/32266221751 https://www.youtube.com/watch?v=Vv1XDqY4kvM https://en.wikipedia.org/wiki/Orgyia_antiqua#/media/File:(2026)_The_Vapourer_(Orgyia_antiqua)_(19245708773).jpg https://en.wikipedia.org/wiki/Orgyia_antiqua#/media/File:Orgyia_antiqua_MHNT.CUT.2012.0.356.Gi%C3%A8res.jpg https://commons.wikimedia.org/wiki/Orgyia_antiqua#/media/File:Orgyia_antiqua,_Vapourer,_Hafod_Bonc,_North_Wales,_July_2017_(36101181235).jpg https://commons.wikimedia.org/wiki/File:Haplophryne_mollis_(female,_with_atrophied_male_attached).gif https://en.wikipedia.org/wiki/File:Bon%C3%A9lie_(Bonellia_viridis)_PC301461.JPG https://commons.wikimedia.org/wiki/File:Annual_report_of_the_Board_of_Regents_of_the_Smithsonian_Institution_(1892)_(18247290688).jpg


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