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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 | 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 ?== | ||
Chordata is the last phylum of the animal kingdom.There are four main characteristics to identify the chordates: | |||
1. a dorsal, hollow nerve cord | |||
2. notochord | |||
3. pharyingeal slits | |||
4. post-anal tail | |||
===Where do Chordates live ?=== | ===Where do Chordates live ?=== | ||
===What do Chordates eat ?=== | ===What do Chordates eat ?=== | ||
===How do Chordates reproduce ?=== | ===How do Chordates reproduce ?=== | ||
==How do their bodies work?== | ==How do their bodies work?== | ||
==What are the different kind of Chordates ?== | ==What are the different kind of Chordates ?== | ||
Version du 6 décembre 2010 à 11:25
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 ?
Chordata is the last phylum of the animal kingdom.There are four main characteristics to identify the chordates: 1. a dorsal, hollow nerve cord 2. notochord 3. pharyingeal slits 4. post-anal tail