View
93
Download
0
Category
Tags:
Preview:
DESCRIPTION
Annelida. By: Jessica Livingstone, Mark McPhee, Raouf Fellah, Melissa Merks. Introduction. Kingdom Animalia Superphylum Lophtrochozoa Phylum Annelida. Introduction. How many? About 17 000 types found all over the world What are they ? Class Polychaeta (marine worms) - PowerPoint PPT Presentation
Citation preview
Annelida
By: Jessica Livingstone, Mark McPhee, Raouf Fellah, Melissa Merks
IntroductionKingdom AnimaliaSuperphylum LophtrochozoaPhylum Annelida
Introduction How many? About 17 000 types found all over the world What are they? Class Polychaeta (marine worms) Live in tubes or permanent burrows. Active swimmers, crawlers or burrowers. Class Oligochaeta (earthworms) Live underground in moist soil. Aerate and enrich soil. Class Hirundinea (leeches) Live in freshwater. Used medicinally: remove excess blood after surgery, keep blood from clotting.
IntroductionSignificance to ecosystem?
Earthworms expand pharynx to ingest soil.
Soil is then excreted as feces (scientifically known as humus which contains important nutrients).
CharacteristicsCoelom
Characteristics Body Wall
Characteristics Parapodia
Characteristics Nervous System
Characteristics Sense Organ
Characteristics Circulation and respiratory structures
Life Cycle& Reproduction Fertilization
Egg
Cocoon
Hatchling
Adult
EvolutionAncestor: Flat Worm
Polychaetes
Oligochaetes
Sea and Terrestrial Soil
HabitatWide range of physiological tolerances
Soil
Sea/Oceans
Interesting Facts A preserved specimen of Eunice (Eunicidae) at the Museum of
Natural History in Washington D. C. is close to 3 m in length and around 5 cm in diameter in its preserved and contracted condition.
The largest leech in the world, found in South America and reaches more than 40 cm in length.
Sources http://www.britannica.com/EBchecked/topic/26308/annelid/31789/E
volution-and-paleontology
http://quizlet.com/8533854/lecture-18-annelids-and-lophophorates-flash-cards/
http://animaldiversity.ummz.umich.edu/accounts/Annelida/ http://www.teara.govt.nz/en/diagram/15491/earthworm-life-cycle http://annelidsh.blogspot.ca/2007/03/reproduction.html http://www.rugusavay.com/information-on-annelid-anatomy-classific
ation-habitats/
https://education.yahoo.com/reference/encyclopedia/entry/Annelida http://www.thefreedictionary.com/statocyst
Recommended