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Photoperiodism | Plant Biology | Khan Academy

181K views · Dec 27, 2016 · Education

Comments · 30

  • @malakismail160 · 9 years ago

    please can you make more videos concerning plant biology.. we need them alot

    39

  • @akhyrathewitch · 6 years ago

    woah, such nice writing.

    6

  • @Perfecttoomuch · 6 years ago

    so important.i love it

    6

  • @infinitepoetry5427 · 3 years ago

    So in here... u say as day constan m- RNA produces when the day ends... so how come there r constan rna for the plant to protect during the day?

    2

  • @Ivyana5 · 11 months ago

    It's actually the night length that informs the periodicity

  • @snehabarui1824 · 4 years ago

    Thank you, Sal.

  • @Milanfobia · 6 years ago

    Thank you so much

  • @drac-fs5lx · 4 months ago

    Wonderful

  • @ConDaddyPop · 6 years ago

    "at different times of the year" Jack Nicholson impression?

  • @manzoorunnisa9455 · 8 years ago

    amazing lectures by Khan academy

    6

  • @menesun · 5 years ago (edited)

    What happens when the night time interrupt with light more than one time? I learned some interesting things in my school lessons and I came to listen to khan academy for a more accurate explanation but this video didn't include them.

    6

  • @shreyashimukherjee09 · 8 years ago

    Thank you , Sal ! :)

    3

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