4. Annelids

1. 1Most annelids are [blank_start]marine[blank_end] organisms, but there are also [blank_start]terrestrial[blank_end] and [blank_start]freshwater[blank_end] species. Some are [blank_start]sessile[blank_end] and live inside underwater tubes, but most move around using tiny [blank_start]bristles[blank_end] calles [blank_start]chaetae[blank_end].

   1. Amarine
   2. Bterrestrial
   3. Cfreshwater
   4. Dsessile
   5. Ebristles
   6. Fsetae
2. 2Annelids are classified according to the number of [blank_start]chaetae[blank_end] in 3 groups: [blank_start]polychaetaes[blank_end] (many chaetea), [blank_start]oligochaetes[blank_end] (few chaetae) and [blank_start]hirudineans[blank_end] (no chaetae).

   1. Asetae
   2. Bpolychaetaes
   3. Coligochaetes
   4. Dhirudineans
3. 3Which group does the following annelid belong to?

   

   1. APolychaetes
4. 4Which group does the following annelid belong to?

   

   1. AHirudineans

Descripción

funciones vitales 1 ESO Test sobre 4. Annelids , creado por Natalia Cardalliaguet el 02/05/2018.

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