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How a single-celled organism almost wiped out life on Earth - Anusuya Willis

2,522,442 views

TED-Ed

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

90%
  • 3:48 / 4:13

Speech Rate:

  • 163 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

scavenging

/ˈskavənj/

verb

search for and collect anything usable from discarded waste.

membrane

/ˈmemˌbrān/

noun

Outside covering of a cell.

dioxide

/dīˈäkˌsīd/

noun

An oxide containing two oxides per molecule.

complex
adjective noun verb

Not being simple; having many parts or aspects. Group of buildings all used for the same purpose. cause to form complex.

changed

/CHānj/

verb

To replace something with another thing.

evolved

/ēˈvälv/

verb

To develop certain features.

without

/wəˈT͟Hout/

adverb conjunction preposition

outside. without it being case that. in absence of.

surface

/ˈsərfəs/

adjective noun verb

Of the top layer; not deep or meaningful. Top layer of the ground or of water. rise or come up to surface of water or ground.

floating

/ˈflōdiNG/

adjective verb

buoyant or suspended in water or air. To sell the shares of a company publicly.

extinction

/ikˈstiNG(k)SH(ə)n/

noun

When every example of animal, plant is dead.

chapter

/ˈCHaptər/

noun

Period or time in your life, e.g. your childhood.

populated

/ˈpäpyəˌlāt/

verb

To live in a particular area, as a group.

probably

/ˈpräbəblē/

adverb

certainly.

harness

/ˈhärnəs/

noun verb

set of straps to fasten horse to cart etc.. To capture the power of something.

organism

/ˈôrɡəˌnizəm/

noun

individual animal, plant, or single-celled life form.

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