There 's also an alga that creates reddish ' watermelon snow ' - a phenomenon first described by aristotle .
另外还有一种造成红色的“雪藻”的水藻“雪藻”现象最早曾被亚里士多德描述过。
By searching for genetic sequences similar to rega in the burgeoning databases of genes that now exist , they found one in a unicellular alga called chlamydomonas reinhardtii .
One creature that has managed the trick-separately from plants , animals and fungi , who are the real experts in the field-is an alga called volvox carteri .