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Why We Only Have Ten Toes (It's a Long Story)

769,970 views

PBS Eons

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

96%
  • 9:48 / 10:09

Speech Rate:

  • 180 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

earliest

/ˈərlē/

adjective adverb

happening before usual time. before usual time.

vertebrates

/ˈvərdəbrət/

noun other

animal of large group distinguished by possession of backbone or spinal column. Animal with a backbone.

creatures

/ˈkrēCHər/

noun other

animal as distinct from human. Animals of any type.

ancient

/ˈān(t)SHənt/

adjective noun

Very old; having lived a very long time ago. old man.

reptiles

/ˈreptəl/

noun other

vertebrate animal of class that includes snakes, lizards, crocodiles and tortoises. Animals such as snakes, lizards.

filling

/ˈfiliNG/

adjective noun verb

leaving one with pleasantly satiated feeling. Metal added to repair teeth. To move into all parts of an area.

surprising

/sərˈprīziNG/

adjective verb

causing surprise. To do something that another person didn't expect.

something

/ˈsəmˌTHiNG/

adverb pronoun

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

tetrapod

/ˈtetrəˌpäd/

noun

Animal having four feet or legs.

started

/stärt/

verb

begin or be reckoned from particular point in time or space.

fingers

/ˈfiNGɡər/

noun other verb

each of four jointed parts attached to hand. One of the five long parts of the hands. touch with fingers.

amphibians

/amˈfibēən/

noun other

cold-blooded vertebrate animal of class that comprises frogs. Cold-blooded animal that lives on land or in water.

strange
adjective

Unusual or odd; surprising because unexpected.

million

/ˈmilyən/

number

1,000,000.

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).

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