« Chordates 2BIbDF09 10/11 » : différence entre les versions
Aller à la navigation
Aller à la recherche
Aucun résumé des modifications |
|||
Ligne 1 : | Ligne 1 : | ||
=What are Chordates ?= | =What are Chordates ?= | ||
More than 90% of all known chordates species have backbones (and thus are vertebrates). However, the phylum Chordata also includes three groups of invertebrates: lancelets, tunicates, and hagfishes | |||
==What are the main characteristics of Chordates ?== | ==What are the main characteristics of Chordates ?== | ||
===Where do Chordates live ?=== | ===Where do Chordates live ?=== |
Version du 6 décembre 2010 à 11:24
What are Chordates ?
More than 90% of all known chordates species have backbones (and thus are vertebrates). However, the phylum Chordata also includes three groups of invertebrates: lancelets, tunicates, and hagfishes