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Episode Markers
  • 00:14
     
    #five common types of mouthparts   
    There are nearly a million known insect species in the world, but most have one of just five common types of mouthparts.
  • 00:30
     
    #all living things into seven levels   
    Scientific classification, or taxonomy, is used to organize all living things into seven levels: kingdom, class, order, family, genus, and species.
  • 01:07
     
    #pair of jaws called mandibles   
    It features a pair of jaws called mandibles with toothed inner edges that cut up and crush solid foods, like leaves or other insects.
  • 01:29
     
    #piercing-sucking mouthpart   
    The piercing-sucking mouthpart consists of a long, tube-like structure called a beak.
  • 01:55
     
    #siphoning mouthpart   
    The siphoning mouthpart, a friendlier version of the piercing and sucking beak, also consists of a long, tube-like structure called a proboscis that works like a straw to suck up nectar from flowers.
  • 02:19
     
    #sponging mouthpart   
    With the sponging mouthpart, there's yet another tube, this time ending in two spongy lobes that contain many finer tubes called pseudotracheae.
  • 02:54
     
    #chewing-lapping mouthpart   
    And finally, the chewing-lapping mouthpart is a combination of mandibles and a proboscis with a tongue-like structure at its tip for lapping up nectar.

A simple way to tell insects apart - Anika Hazra

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-simple-way-to-tell-insects-apart-anika-hazra There are nearly a million known insect species in the world, but most have one of just five common types of mouthparts. Why is this information useful to scientists? Anika Hazra explains how the features of an insect’s mouthparts can help identify which order it belongs to, while also providing clues about how it evolved and what it feeds on. Lesson by Anika Hazra, animation by Giulia Martinelli. Thank you so much to our patrons for your support! Without you this video would not be possible! Mayra Urbano, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini , Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth M






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