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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

Being as one would expect; being usual or normal. naturally. person having innate talent.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To make a formal speech about something.

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. external side or surface. Beyond the limits or edges of some place, thing.

biggest

/biɡ/

adjective

Most serious.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

Forming a necessary part, base, or core. central rule or principle.

unfathomable

/ˌənˈfaT͟Həməb(ə)l/

adjective

That cannot be understood or worked out.

evolution

/ˌevəˈlo͞oSH(ə)n/

noun

Theory that living things change over time.

abbreviation

/əˌbrēvēˈāSH(ə)n/

noun

shortened form of 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

sentence worded or expressed so as to elicit information. To have or express concerns or uncertainty.

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