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Natural selection and adaptation | High school biology | Khan Academy

7,149 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 8:43 / 8:51

Speech Rate:

  • 141 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

cryptic

/ˈkriptik/

cryptic
adjective

having meaning that is mysterious or obscure.

happens

/ˈhapən/

happens
verb

take place.

organisms

/ˈôrɡəˌnizəm/

organisms
noun other

individual animal, plant, or single-celled life form. System with many parts that function as a whole.

through

/THro͞o/

through
adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

particular

/pə(r)ˈtikyələr/

particular
adjective noun

singling out individual member of group. individual item.

accumulate

/əˈkyo͞om(y)əˌlāt/

accumulate
verb

gather together or acquire increasing number or quantity of.

increased
increased
verb

become or make greater in size or degree.

sunlight

/ˈsənˌlīt/

sunlight
noun

Rays of light coming from the sun.

survive

/sərˈvīv/

survive
verb

continue to live.

adaptation

/ˌadapˈtāSH(ə)n/

adaptation
noun

Music, movie or play, changed to a new form.

melanin

/ˈmelənən/

melanin
noun

Pigment giving color to skin, hair etc..

friendly

/ˈfren(d)lē/

friendly
adjective adverb noun

kind and pleasant. in friendly manner. friendly game or match.

process

/ˈpräˌses/

process
noun verb

Set of changes that occur slowly and naturally. To organize and use data in a computer.

damaging

/ˈdamijiNG/

damaging
adjective verb

causing physical damage. To harm physically; to hurt or break something.

protect

/prəˈtekt/

protect
verb

keep safe from harm or injury.

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