Photosynthesis in organisms (article) | Khan Academy (2024)

Review your understanding of photosynthesis in organisms with this free article aligned to NGSS standards.

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  • Amelia Kiedrowski

    2 years agoPosted 2 years ago. Direct link to Amelia Kiedrowski's post “How do plants you buy at ...”

    How do plants you buy at the store, stay alive in just water, and no dirt? Also, why are some plants supposed to get direct sun? Thanks!

    (46 votes)

    • Biology BOSS

      2 years agoPosted 2 years ago. Direct link to Biology BOSS's post “the plants are already be...”

      Photosynthesis in organisms (article) | Khan Academy (4)

      Photosynthesis in organisms (article) | Khan Academy (5)

      Photosynthesis in organisms (article) | Khan Academy (6)

      the plants are already being put in mineral water. It isn't the dirt that helps the plant it is the minerals that help it grow.

      (60 votes)

  • jasper.irvin

    2 years agoPosted 2 years ago. Direct link to jasper.irvin's post “what is chlorophyll”

    what is chlorophyll

    (9 votes)

    • Seth | Flightsong

      2 years agoPosted 2 years ago. Direct link to Seth | Flightsong's post “Chlorophyll is a naturall...”

      Photosynthesis in organisms (article) | Khan Academy (10)

      Photosynthesis in organisms (article) | Khan Academy (11)

      Photosynthesis in organisms (article) | Khan Academy (12)

      Chlorophyll is a naturally-produced chemical that helps in the photosynthesis process by, in fact, absorbing the photons (sunlight) used to rearrange atoms, as said in the second point. It also is actually a pigment, giving plants their green color!

      (52 votes)

  • 18866dxbp

    2 years agoPosted 2 years ago. Direct link to 18866dxbp's post “How the plants survive wh...”

    How the plants survive when they are in shops

    (19 votes)

    • Johanna

      2 years agoPosted 2 years ago. Direct link to Johanna's post “These plants get the ligh...”

      Photosynthesis in organisms (article) | Khan Academy (16)

      These plants get the light they need either through a window or from a lamp that mimics the kind of light coming from the sun.

      (21 votes)

  • Lynette

    a year agoPosted a year ago. Direct link to Lynette's post “what else can plants live...”

    what else can plants live in instead of soil

    (15 votes)

    • L Latimer

      a year agoPosted a year ago. Direct link to L Latimer's post “I have an air plant it is...”

      Photosynthesis in organisms (article) | Khan Academy (20)

      I have an air plant it is a specific kind of tropical plant that lives off of air moisture and a bit of water I give it. It has no roots, although it can develop feelers that allow it to latch onto branches.

      (12 votes)

  • TOMMYA

    a year agoPosted a year ago. Direct link to TOMMYA's post “How long can a plant surv...”

    How long can a plant survive without water?

    (11 votes)

    • Mimikyu222

      a year agoPosted a year ago. Direct link to Mimikyu222's post “Depends on the plant. For...”

      Photosynthesis in organisms (article) | Khan Academy (24)

      Depends on the plant. For example, some cacti can go two years, but some flowers can't go a week without it.

      (16 votes)

  • Sarah

    a year agoPosted a year ago. Direct link to Sarah's post “This says, "Photosynthesi...”

    This says, "Photosynthesis is USUALLY carried out in chloroplasts." What are some examples of it being carried out in something else?

    (16 votes)

  • CorneliusP

    2 years agoPosted 2 years ago. Direct link to CorneliusP's post “how do plants stay alive”

    how do plants stay alive

    (10 votes)

    • whispingwillow

      2 years agoPosted 2 years ago. Direct link to whispingwillow's post “The sunlight, water, and ...”

      Photosynthesis in organisms (article) | Khan Academy (30)

      The sunlight, water, and carbon dioxide make sugars which the plant consumes to stay alive.

      (12 votes)

  • Max100

    a year agoPosted a year ago. Direct link to Max100's post “Do humans use the sugars ...”

    Do humans use the sugars in plants to turn into sugar for candy skittles?

    (9 votes)

    • William

      a year agoPosted a year ago. Direct link to William's post “no most sugar's are made ...”

      Photosynthesis in organisms (article) | Khan Academy (34)

      no most sugar's are made in labs.

      (10 votes)

  • big T

    2 years agoPosted 2 years ago. Direct link to big T's post “Does a plant need soil to...”

    Does a plant need soil to live?

    (9 votes)

    • cyuutekat

      a year agoPosted a year ago. Direct link to cyuutekat's post “Plants don't require soil...”

      Photosynthesis in organisms (article) | Khan Academy (38)

      Plants don't require soil to live if you have access to water with the correct nutrients for plants in it. That's why lotuses live in mud/muddy water, it's because mud is full of nutrients that the lotus needs, so the lotus will do better in the muddy water as opposed to just water (without minerals, obviously)! Some plants need soil, however. They may be able to survive a period of time in water with their food, but succulents and cacti need to be transferred to soil after water propagation. Maybe you would find it interesting to research more into this? Anyways, hope this answers your question. Ask more if you need to, there's always somebody on Khan Academy that can help!

      (10 votes)

  • Gioooooo

    a year agoPosted a year ago. Direct link to Gioooooo's post “can plants live with a li...”

    can plants live with a light bulb right next to them.

    (10 votes)

    • dplongs

      a year agoPosted a year ago. Direct link to dplongs's post “Yes, you can use most reg...”

      Yes, you can use most regular light bulbs to help grow your indoor plants

      (5 votes)

Photosynthesis in organisms (article) | Khan Academy (2024)

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