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Evolution of group behavior | Evolution and natural selection | High school biology | Khan Academy

8,607 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 4:12 / 4:14

Speech Rate:

  • 193 wpm - Fast

Category:

  • Education

Tags :

Intro:

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

Video Vocabulary

certain

/ˈsərtn/

certain
adjective pronoun

sure or definite. some.

natural

/ˈnaCH(ə)rəl/

natural
adjective adverb noun

existing in or derived from nature. naturally. person having innate talent.

individual

/ˌindəˈvij(o͞o)əl/

individual
adjective noun

single or separate. Single person, looked at separately from others.

produce
produce
noun verb

agricultural products. To control the making a movie or television show.

because

/bēˈkəz/

because
conjunction

For a reason.

ecosystem

/ˈēkōˌsistəm/

ecosystem
noun

biological community of interacting organisms and their physical environment.

environment

/inˈvīrənmənt/

environment
noun

Natural world in which plants and animals live.

genetics

/jəˈnediks/

genetics
noun other

study of heredity and variation of inherited characteristics. Studies of how things develop between generations.

primarily

/ˌprīˈmerəlē/

primarily
adverb

for most part.

variant

/ˈverēənt/

variant
noun

form or version of something that differs in some respect from other forms of same thing or from standard.

advantage

/ədˈvan(t)ij/

advantage
noun verb

favourable condition/circumstance. put in favourable position.

sometimes

/ˈsəmˌtīmz/

sometimes
adverb

Only at certain times; occasionally.

chances

/CHans/

chances
noun other verb

possibility. An opportunity; favorable circumstances, situation. To take a risk to try something.

changed

/CHānj/

changed
verb

To make or become something else.

underlying

/ˌəndərˈlīiNG/

underlying
adjective verb

being cause or basis. undefined.

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