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![Spirogyra floating in lake](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632621186428-8H7IQ03L4N05O5Q6G0LG/IMG_7819.jpeg)
![Spirogyra filaments at 100x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549866909-TKEG9OCP29AA2WD1PAKE/IMG_7845.jpeg)
![IMG_7847.jpeg](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549868617-C4VLNYGB79HQL57X3EZS/IMG_7847.jpeg)
![Spirogyra chloroplasts arranged in spiral structures at 400x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632550038013-6RHFXAHQV38IXHRRFE9O/IMG_7861.jpeg)
![IMG_7854.jpeg](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549864287-I0WOA3MO9NVAO1S8DH9C/IMG_7854.jpeg)
![IMG_7855.jpeg](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549871558-OROAEYI0YDUG3WO6T0M3/IMG_7855.jpeg)
![IMG_7853.jpeg](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549870049-XSCX2C4KQGAYU98LNR1N/IMG_7853.jpeg)
![Suspended nucleus and nucleolus at 400x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549858179-SCLNPK66WJVTF3QR6XYW/IMG_8067.jpeg)
![IMG_7873.jpeg](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632549861805-4S5BNJIUQQOKKZJ1O9S2/IMG_7873.jpeg)
![Sexual reproduction with conjugation tubes at 100x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1632550769135-OXKJKGEHVBFYIZVO65JT/IMG_8899.jpeg)
![Zygospores at 200x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1639117295951-8WLVCEH69ZUVJZE0Q9J5/IMG_2070.jpeg)