Cnidaria
-
Upload
mrstabor -
Category
Technology
-
view
1.138 -
download
2
Transcript of Cnidaria
![Page 1: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/1.jpg)
![Page 2: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/2.jpg)
Classification
• Classified into four main groups• Hydrozoa ( Sea anemones, corals, and jellyfish)
• Scyphozoa ( cup animals and jelly fish)
• Cubozoa (box jellyfish)
• Anthozoa (sea pens, sea fans, blue coral, and black coral sea anemones)
![Page 3: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/3.jpg)
Body Form
• Symmetry is radial• Body forms are polyp and medusa• Skeletal system is mesoglea (endoskeleton) calcium
carbonate (exoskeleton)
•
![Page 4: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/4.jpg)
Reproduction Methods
• Polyps (Produce by asexual budding)
• Sexual reproduction (hermaphroditic)
•
![Page 5: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/5.jpg)
Digestive System
• Gastrovascular Cavity ( nutritive muscle)
• All carnivorous
![Page 6: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/6.jpg)
Circulatory System
• (Heart and Blood Vessels)
![Page 7: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/7.jpg)
Respiratory System
They do not need a respiratory system
![Page 8: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/8.jpg)
Environment
• Lives in Aquatic environments
• Mostly Marine
![Page 9: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/9.jpg)
Interactions
• Have stung people
• They only sting if they disturb them
• Over the past six years in Queensland only 1100 cases of jellyfish stings.
![Page 10: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/10.jpg)
Unique Features
• The mouth is surrounded by tentacles studded with microscopic stinging capsules known as nematocysts that are the agents of offense and defense.
• Cnidarians are diploblastic -- that is, the body and tentacles consist of two cell layers
• Come in a ton of different shapes and sizes
![Page 11: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/11.jpg)
![Page 12: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/12.jpg)
Thank You
• Thank you for watching this power point on cnidaria
• Thank you to Mrs. Tabor the awesomest Science teacher in the world
• Go seventh period!!!!!
![Page 13: Cnidaria](https://reader036.fdocuments.net/reader036/viewer/2022070316/555833b1d8b42ac6078b46db/html5/thumbnails/13.jpg)
Internet Sites
• http://animaldiversity.ummz.umich.edu/site/accounts/information/Scyphozoa.html
• http://jellieszone.com/cubozoa.htm• http://science.jrank.org/pages/3477/Hydrozoa.html• http://tolweb.org/Anthozoa• http://www.kn.sbc.com/wired/fil/pages/listjellyfisli.html
•
http://animals.about.com/od/cnidarians/ss/cnidarians.htm•