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The 6 Types Of Phyla
Transcript
Echniderms
- 7,000 species
- only marine animals
- in greek it means spiny skin
- don't have brains
- have nerves running from the mouth to the arms
- EX:
- sea star,brittle star, sea urchins, sand dollars, sea cucumbers,
Arthropods
- 70,000 species
- means jointed limbs
- 6 legs
- grow from eggs
- they all go through stages called metamorphosis
- EX:
- butterfly, bee, ant, beetle, grasshoppers, and spiders
The 6 Types Of Phyla
Madison Bailey
Mollusks
- 80,000 species
- normally called shellfish
- the scientific study of mollusks is called malacology
- soft joint less body
- EX:
- oysters, mussels, squids, octopuses, snails
Annelids
- 9,000 species
- segmented worms
- decomposers
- annelids in latin (anellus) means little ring
- lack lungs
- EX:
- earth worms, leaches, polychaetes
Cnidarians
- 9,000 species
- they all sting
- cnidarians in Latin means "stinging creature"
- radially symmetrical
- EX:
- hydroids, jellyfish, anemones, and corals
BIBLIOGRAPHY
http://oceanicresearch.org/education/wonders/cnidarians.html
animalplanet.com/marine-life/mollusk-in.html
Chordates
- 43,700 species
- divided into seven classes
- Jaw less fish
- Cartilaginous fish
- Bony fish
- Amphibians
- Reptiles
- Birds
- Mammals
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