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Click this link and take a moment to enjoy the sea nettles at the Aquarium of the Pacific
Click this link and take a moment to enjoy the sea nettles at the Aquarium of the Pacific
Phylum Cnidaria
Phylum Cnidaria
Examples of Cnidarians
Examples of Cnidarians
Sea Anemones
Sea Anemones
Sea Jellies
Sea Jellies
Coral
Coral
Kyla Inguito
Kyla Inguito
Cnidarian Characteristics
Cnidarian Characteristics
-Radial symmetry or Biradial
-Diploblastic Tissue level
-Gelatinous Mesoglea
-Nerve Net
-Cnidocytes
What makes Cnidarians stand out is their cnidocytes
What makes Cnidarians stand out is their cnidocytes
-Cnidocytes are stinging cells located on tentacles
-Cnidocytes discharge a harpoon like stinging structure called a nematocyst
Watch this video on the phyla Cnidaria. Create a box in your sketchbook, title it "The Phylum Cnidaria" and take notes, write down interesting things that you learn from the video and include an image in your sketchbook. Make sure you understand the characteristics of cnidarians and what they are.
Watch this Jonathan Bird video on the Phyla Cnidaria
Cnidarians have two body structures
Cnidarians have two body structures
Polyp
Polyp
Medusa
Medusa
-The polyp is a sessile structure that is attached to a surface and has the tentacles at the top like an anemone
-The medusa structure has the tentacles hanging like a sea jelly
Cnidarian Classes
Cnidarian Classes
Class Hydrozoa
Class Hydrozoa
-Hydras
The Portuguese man o war is a very famous hydrozoa. It is a siphonophore. It is not one animal, it is a colony of animals called zooids. Each zooid becomes a different part of the man o war body. Some zooids become the digestive system, other zooids become the sail, and some zooids become the tentacles.
Watch this video on the man o' war
Class Scyphozoa
Class Scyphozoa
Common Sea Jellies
Sea jellies have a strange life cycle. They go through a complex alternation of generations
Sea jellies have a strange life cycle. They go through a complex alternation of generations
Watch this video on the Jellyfish lifecycle. Create a box in your sketchbook, title it "Jellyfish lifecycle" and write down interesting things that you learn from the video and include an image in your sketchbook.
Watch this video on Jellyfish. Create a box in your sketchbook, title it "Jellyfish" and write down interesting things that you learn from the video and include an image in your sketchbook. There is a lot of good information about Jellyfish in this video. Write this information in your sketchbook.
Watch this video on Jellyfish. Create a box in your sketchbook, title it "The Secret Powers of Jellyfish" and write down interesting things that you learn from the video and include an image in your sketchbook.
Watch this video on Jellyfish stings. Create a box in your sketchbook, title it "Jellyfish Stings" and write down interesting things that you learn from the video and include an image in your sketchbook.
Kate Terbush
Kate Terbush
Watch this video on Jellyfish Floating. Create a box in your sketchbook, title it "Jellyfish Floating" and write down interesting things that you learn from the video and include an image in your sketchbook.
-Class Staurozoa
polyps
-Class Cubozoa
Cube shaped sea jellies like the box jelly
-Class Anthozoa
Anemones and corals
Watch this video on Coral Spawning. Create a box in your sketchbook, title it "Coral Spawning" and write down interesting things that you learn from the video and include an image in your sketchbook.
Watch this video on Coral. Create a box in your sketchbook, title it "X-Ray Coral" and write down interesting things that you learn from the video and include an image in your sketchbook.
Watch this video on Coral farming. Create a box in your sketchbook, title it "coral farming" and write down interesting things that you learn from the video and include an image in your sketchbook.
Coral Farms
Coral Farms
Picture from Mr. Bird Snorkeling at the university of Puerto Rico's Coral Farm
Picture from Mr. Bird Snorkeling at the university of Puerto Rico's Coral Farm
Cam Kadenacy
Cam Kadenacy
Kyla Inguito
Kyla Inguito
Watch this video on Coral Reefs. Create a box in your sketchbook, title it "Coral Reefs" and write down interesting things that you learn from the video and include an image in your sketchbook.
This is an optional video only if you really want to learn more about Jelly Fish...Warning...it is a very slow paced documentary and the narrator has a really boring voice.
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