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Origins of life | Biology | Khan Academy

84,975 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

96%
  • 10:09 / 10:31

Speech Rate:

  • 169 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

natural

/ˈnaCH(ə)rəl/

adjective adverb noun

Not made by humans; without human intervention. naturally. person having innate talent.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To say things or ideas to someone with words.

sometimes

/ˈsəmˌtīmz/

adverb

Only at certain times; occasionally.

billion

/ˈbilyən/

noun number

Number 1,000,000,000. thousand million.

origins

/ˈôrəjən/

noun other

point where something begins. Points at which some things begin or is created.

outside
adjective adverb noun preposition

situated on or near outside. Beyond the limits or edges of some place, thing. Area around or near something, such as a building. situated beyond boundaries of.

biggest

/biɡ/

adjective

Most popular.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

forming base or core. central rule or principle.

unfathomable

/ˌənˈfaT͟Həməb(ə)l/

adjective

incapable of being fully explored or understood.

evolution

/ˌevəˈlo͞oSH(ə)n/

noun

Theory that living things change over time.

abbreviation

/əˌbrēvēˈāSH(ə)n/

noun

Shortened form of a word or phrase.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

as truth or facts.

unanswered

/ˌənˈansərd/

adjective

not answered or responded to.

question

/ˈkwesCH(ə)n/

noun verb

What you ask about; issue. ask someone questions.

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