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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

occasionally, rather than all of time.

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. Beyond the limits or edges of some place, thing.

biggest

/biɡ/

adjective

of great size or extent.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

Forming a necessary part, base, or core. A basic part of something.

unfathomable

/ˌənˈfaT͟Həməb(ə)l/

adjective

incapable of being fully explored or understood.

evolution

/ˌevəˈlo͞oSH(ə)n/

noun

development of organisms from earlier forms.

abbreviation

/əˌbrēvēˈāSH(ə)n/

noun

shortened form of word or phrase.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

unanswered

/ˌənˈansərd/

adjective

Was not answered.

question

/ˈkwesCH(ə)n/

noun verb

What you ask about; issue. To have or express concerns or uncertainty.

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