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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:

Video Vocabulary

cryptic

/ˈkriptik/

adjective

having meaning that is mysterious or obscure.

happens

/ˈhapən/

verb

take place.

organisms

/ˈôrɡəˌnizəm/

noun other

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

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. From the beginning of something until the end. Over, in, across an entire thing or place.

particular

/pə(r)ˈtikyələr/

adjective noun

One specific (one). individual item.

accumulate

/əˈkyo͞om(y)əˌlāt/

verb

gather together or acquire increasing number or quantity of.

increased
verb

become or make greater in size or degree.

sunlight

/ˈsənˌlīt/

noun

light from sun.

survive

/sərˈvīv/

verb

To continue to live despite illness or trouble.

adaptation

/ˌadapˈtāSH(ə)n/

noun

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

melanin

/ˈmelənən/

noun

Pigment giving color to skin, hair etc..

friendly

/ˈfren(d)lē/

adjective adverb noun

Acting like a friend; kind and helpful. in friendly manner. friendly game or match.

process

/ˈpräˌses/

noun verb

Set of changes that occur slowly and naturally. To deal with official forms in the way required.

damaging

/ˈdamijiNG/

adjective verb

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

protect

/prəˈtekt/

verb

keep safe from harm or injury.

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