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  • Zoology
CreatureCast – Diving for Jellies
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CreatureCast – Diving for Jellies
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Here in the Dunn lab, siphonophores are our favorite animal and the focus of much of our research. Dr. Phil Pugh is a good friend of the lab, and he also happens to have described more new species of siphonophores than anyone who has ever lived. In the video below, he describes what it’s like to come across a siphonophore in the deep sea with a submarine. What looks like one long body in this video is actually a free-swimming colony of clones — many genetically identical bodies that are all attached. But each body in the group isn’t just like its neighbor. They each do a specific job for the colony. Some individuals will swim, some will catch food, and some will reproduce.

Subject:
Biology
Life Science
Zoology
Material Type:
Lecture
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Date Added:
09/25/2013
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CreatureCast – Doliolids
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CC BY-NC-SA
CreatureCast – Doliolids
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Robert Sandler tells the story of doliolid reproduction. The video was made with paper puppets and hand-drawn animations. Robert made this episode with support from the Society of Royce Fellows.

Subject:
Biology
Life Science
Zoology
Material Type:
Lecture
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Author:
Robert Sandler
Date Added:
09/08/2012
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CreatureCast - Mating When You are Stuck to a Rock
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CreatureCast - Mating When You are Stuck to a Rock
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If you are stuck to a rock it is tricky to get close enough to a partner to mate. One solution to this problem would be to release eggs or sperm into the open water, which is what many animals in this situation do. Acorn barnacles (Semibalanus balanoides), however, found a different solution. They have evolved the longest penis relative to their body size of any animal. In this video the penises of several barnacles are probing the neighborhood for mates. The penis is re-grown each mating season.

Subject:
Biology
Life Science
Zoology
Material Type:
Lecture
Reading
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Date Added:
11/06/2009
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CreatureCast – Ocean Slime
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CC BY-NC-SA
CreatureCast – Ocean Slime
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Robert Sandler tells the story of ocean slime, using stop motion and jellyfish puppets. Robert made this episode with support from the Society of Royce Fellows.

Subject:
Biology
Life Science
Zoology
Material Type:
Lecture
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Author:
Robert Sandler
Date Added:
09/08/2012
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CreatureCast – PhyloTree
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CC BY-NC-SA
CreatureCast – PhyloTree
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This video demonstrates some of the features of PhyloTree. It then shows the early explosive discovery of mammal species (most major mammal groups were discovered early on), and then shows the slow and steady discovery of cnidarians (many cnidarians remain to be described). The tool can also be used to quickly find the first species that was described in a group. The first siphonophore to be described, for example, was Physalia physalis (the Portuguese man o’ war).

Subject:
Biology
Life Science
Zoology
Material Type:
Lecture
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Author:
Casey Dunn
Date Added:
09/26/2013
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CreatureCast - Six Tips for Achieving Invisibility
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CC BY-NC-SA
CreatureCast - Six Tips for Achieving Invisibility
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Here is a semi-interactive video (with the option of a single, non-interactive video here) from CreatureCast alum Sophia Tintori, featuring tips from a handful of ocean-dwellers that each have drastically different approaches to being invisible.

Subject:
Biology
Life Science
Zoology
Material Type:
Lecture
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Author:
Sophia Tintori
Date Added:
04/15/2013
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Critter Catalog: Creating a Field Guide to Animals
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CC BY-NC-SA
Critter Catalog: Creating a Field Guide to Animals
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This activity will help students learn about Minnesota animals and characteristics that distinguish them from one another.

Subject:
Life Science
Zoology
Material Type:
Activity/Lab
Lesson Plan
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Date Added:
01/20/2012
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