CAM photosynthesis is a clever adaptation some plants have where they turn light into sugar during the day, and only breathe in CO2 at night. This lets the plant close up its leaves so they don’t lose water during the heat of the day.

CAM plants use sunlight to turn malic acid into sugar, and every night they breathe in plenty of carbon dioxide, storing it as a fresh supply of malic acid. If you have keen senses, you may be able to taste the difference between a CAM plant harvested during the day and one harvested at night because of this variation in sugar and acid content.

Having evolved several times independantly, you see CAM in lots of different kinds of plants: air plants and bromeliads, which have poorly developed root systems; cacti and other succulents, which grow in hot dry environments; you even see it in some aquatic plants. For these, CAM serves not to conserve water, but carbon dioxide - which is of course hard to come by when you don’t have any air.

The “crassulacean” part of the name “crassulacean acid metabolism” is there because this phenomenon was first discovered in crassulas. Jade plants are an example of this genus.


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  • gaystyleJoker [she/her]@hexbear.net
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    8 days ago

    HELLO THIS IS THE MEGA SIGN UP POST/LIST POST

    if you have a preferred week please tell me

    Shaleesh* (5/25 - 5/31)
    GayTuckerCarlson* (6/1 - 6/7)
    SwitchyandWitchy* (6/8 - 6/14)
    Alisu* (6/15 - 6/21)
    peanutbuttercupola* (6/22 - 6/28)
    Disaster_of_Passion* (6/29 - 7/5)
    Eco* (7/6 - 7/12)
    

    ​ * after name denotes someone who has posted before and will be skipped by first-time posters

  • RION [she/her]@hexbear.net
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    7 days ago

    YO I’ve had such a nice day today

    • went to my friend’s baby shower. it was pretty cool! very queer (both parents of the baby in question are trans) so it wasn’t too scary to wear my dress. played pool for the first time (I lost) and chatted with the folks I know there. god it was so nice, I was funny and they were funny and I found out we all watch the same show (invincible)!!!
    • stopped by some antique & quirky stores with my friend and their gf. in one of them there was this lady with her dog who said “look out, here comes the girls!” when we entered :)))) and then at another one someone said I was giving Beverly Marsh vibes!! and I vaguely knew what she was getting at but then she pulled up a picture and god I remembered I was SO jealous of looks her as a teen when IT came out. I didn’t really know it at the time of course, I just felt this weird longing and assumed I had a crush or whatever
    • I found a cute set of tile trivets I’m gonna use as coasters in my apartment, and it’ll remind me of this nice day I had with friends
    • on the way back home my friend’s gf said I have very nicely shaped eyes and eyesockets for putting eyeshadow on!!

    Gosh what a day!!! I am very tired now though… I was supposed to prep for my interview on tuesday but might push that to tomorrow afternoon

  • BountifulEggnog [it/its, she/her]@hexbear.net
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    7 days ago
    dysphoria

    I forget about my stupid fucking ADAM’S APPLE and it’s fine but then I remember and FUCK I hate that shit.

    DHT is fucking evil. I just hope and pray my hairline isn’t too fucked. I think it’s a little fucked but could be worse. But my god the vocal chord shit. And it’s gotta be visible too. Disgusting.

  • Alisu [she/her, they/them]@hexbear.net
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    7 days ago

    Went to a mall with my friend, girlmoding. I was a little paranoid about people staring at me again but it was okay. It was nice to go out wearing a skirt. I bought some sweets on a Japanese store and also went make-up shopping, a foundation and powder (really expensive omg).

    My parents weren’t home when I left, so I went out wearing my skirt. But they were home when I got here.

    OK, that’s a problem, but I was prepared! I put some shorts on my purse, and then I wore the shorts over my skirt, rolled down my thigh highs, so they were less noticeable then hid my purse in the shopping bags. Went straight to my bedroom, they didn’t even see me, and I changed outfits and stored everything. I’m so stealthy.

    Anyways, I’m probably coming out in like a couple days anyway, so I’m doing risky stuff and IDC.

  • GayTuckerCarlson [she/her]@hexbear.net
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    7 days ago

    “Keep, ancient lands, your storied cis!” cries she

    With silent lips. "Give me your Olivers, your Kais,

    Your huddled Lunas yearning to breathe free,

    The wretched Lillys of your teeming shore.

    Send these, the crust punks, the goodwill shoppers to me,

    I lift my lamp beside the golden door!"

  • XiaCobolt [she/her]@hexbear.net
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    7 days ago

    I had an amuse-bouche of T4T for the first time on the weekend and god I can’t wait until my ex and I are living in different places which is very soon.

  • sodium_nitride [she/her, any]@hexbear.net
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    8 days ago

    I’ve decided:

    1. Am just gonna start girlmodding to uni. My jacket of protection is so run down I can’t defend it anymore. Shit is literally RIPPING APART AT THE SEAMS. Not to mention the sweltering heat which I just can’t stand
    2. If anyone has a problem with me at uni fuck them.
    3. If anyone asks questions, “I was always a girl you just didn’t notice, and I thought it was funny to let you think otherwise”

    This is a big step for me cause I’m going from “never girlmodes” to basically coming out permanently. Please hold me to this descision and don’t let me change my mind.

    suicide mention (technically I guess)

    Although the summer season is the reason I am doing this, atp, fuck it. I can’t take being in the closet anymore. Shit be so bad I CAN’T FOCUS ON MY LECTURES CAUSE I’M CONSTANTLY THINKING ABOUT OFFING MYSELF. Fucking christ.