"Watch the flagella, will you? You almost poked my eye out!"

"I am a Chlamydomonas, thank you very much," the creature replied, spinning in a circle. "And your drawing is terrible. I look like a lopsided potato. If you want to pass Pasechnik’s lesson, you need to understand that I’m not just a green blob. I’m a sun-eating machine!"

"You're... you're a unicellular green alga," Artyom whispered.