The alga bloom forced officials to close fishing areas in several states.

华的疯长迫使政府关闭了数个州的捕鱼区。

But scientists say the less-common toxic alga can cause brain damage or even death.

但是科学家表示，一些少见的有毒类会造成脑损伤甚至死亡。

What they expected to find was two genomes: one fungus, one alga.

一个是真菌，另一个是类。

Deborah Fauquier says scientists will look for evidence of the harmful alga in the whales.

福基尔表示，科学家们将会寻找有害类对鲸鱼造成伤害的相关证据。

What does Sidney Pierce say about genes from an alga?

4. Sidney Pierce 对类基因有何看法？

They're dipped for certain durations to allow the alga's natural fluorescent glow to remain visible under fluorescence microscopes.

它们被浸泡一定时间，让类的天然荧光在荧光显微镜下保持可见。

Remember that tiny alga whose tasty snack started the development of all the plant life on Earth hundreds of millions of years ago?

还记得数亿年前那小小的类吗？它们的美味点心开启了地球上所有植物的发展。

Chlamydomonas is a single-celled alga that uses its centrioles for both swimming and reproduction, so can't do both at the same time.

衣是一单细胞类，利心粒进行游泳和繁殖，因此不能同时进行。

Mixotrophy even cuts both ways: an alga called Tripos furca can consume several microscopic animals a day, allowing it to survive in darkness for weeks.

一叫骨叉角的类每天可以吃几只微型动物，帮助它在黑暗存活数周。

" There's no way on earth that genes from an alga should work inside an animal cell, " says Sidney Pierce from the University of South Florida.

南佛罗里达大学的西德尼·皮尔斯说，“类的基因本不可能在动物细胞内发生作。”

All the plants we know today descended from the same ancestor: a teeny-tiny green alga — that's the singular for algae — that existed around 500 million years ago.

我们今天所知道的所有植物都起源于同一个祖先：一微小的绿——是类的唯一名称——大约存在于 5 亿年前。

Researchers have not been able to find traces of the compounds in rocks older than that, despite the existence of fossils of a red and a green alga — both eukaryotes — dating back about one billion years.

尽管存在着约10亿年前的红色和绿色类的化石（都是真核生物），研究人员却无法在比那更古老的岩石发现些化合物的痕迹。