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Phylogenetic trees | Evolution | Khan Academy

520,520 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

94%
  • 10:23 / 10:56

Speech Rate:

  • 179 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

showing

/ˈSHōiNG/

noun verb

Occasion when something can be seen, e.g. a movie. To let someone see something; display.

evolutionary

/ˌevəˈlo͞oSHəˌnerē/

adjective

Concerning gradual change over time.

question

/ˈkwesCH(ə)n/

noun verb

Issue or problems you are dealing with. To ask for or try to get information.

evidence

/ˈevədəns/

noun verb

Factual proof that helps to establish the truth. be or show evidence of.

complex
adjective noun verb

Not being simple; having many parts or aspects. Group of buildings all used for the same purpose. cause to form complex.

natural

/ˈnaCH(ə)rəl/

adjective adverb noun

Not made by humans; without human intervention. naturally. person having innate talent.

evolved

/ēˈvälv/

verb

To develop certain features.

difference

/ˈdif(ə)rəns/

noun verb

A thing or issue that people do not agree about. alter coat of arms.

phylogenetic

/ˌfīlōjəˈnedik/

adjective

Concerning the evolutionary development of organisms.

protein

/ˈprōˌtēn/

noun

Group of molecules made from amino acids.

species

/ˈspēsēz/

noun other

group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. Subsections of a genus (of plants, animals).

molecular

/məˈlekyələr/

adjective

relating to or consisting of molecules.

construct
noun verb

idea or theory. To build or create something.

biologists

/bīˈäləjəst/

noun other

expert in or student of branch of science of living organisms. Scientists who study living things.

relatedness

/rəˈlādidnəs/

noun

state or fact of being related or connected.

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