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为什么这些阿米巴虫很特别?

What's so special about these amoebae? | Natural History Museum

You might think single-celled organisms are simple creatures
你可能认为单细胞有机体是简单生物
but they can do extraordinary things
但它们可能做出令人意想不到的事情
I study a group of microscopic single-celled organisms
我研究了一组极小的单细胞生物

called testate amoebae,
叫做有壳变形虫

which show some pretty incredible behaviours.
它们表现出了一些难以置信的行为
First of all, they build shells that are unique to each species,
首先 它们建造的外壳对每个物种来说都是独特的
with features like armoured plates, spines and sometimes even teeth.
外壳形状包括装甲板 脊椎 有时甚至是牙齿
Some species secrete these by themselves
有些物种自己分泌这些物质
while others use things they find in their environments
而其他物种则使用它们在环境中找到的东西
like grains of sediment, skeletons of other microbes
比如沉淀物颗粒 其他微生物的骨骼
and sometimes even microplastics.
有时甚至是塑料微粒
They’re also predatory
它们也会欺负弱小

and some species even appear to hunt in packs
有些物种甚至成群狩猎

to take down larger organisms
来消灭更大的生物

such as small worms, which are known as nematodes.
比如被称为线虫的小蠕虫

They are useful too and are now helping us
它们也很有用 现在正在帮助我们
in fields like forensic science
在一些领域比如法医学

and studying how our environment and climate has changed in the past.
研究环境和气候在过去是如何变化的

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视频概述

阿米巴虫有着独特的外表甚至集体行动,除此之外也帮助我们的学科教育

听录译者

收集自网络

翻译译者

YXG-d66cb

审核员

审核员YQ

视频来源

https://www.youtube.com/watch?v=FJCcWUq8rC4

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