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Hi everyone! Squirt here to talk about cephalopods. Cephalopods are a group of marine animals that includes cuttlefishes, nautiluses, octopods, and squids - like myself! There are over 900 known species of cephalopods. Cephalopods are invertebrates, this means they do not have a backbone. Some consider cephalopods the most intelligent marine invertebrates because they have big brains. Some cephalopods are bioluminescent while others can change colors like a chameleon when they feel threatened or want to blend in to their surroundings! One of the most noticeable features of cephalopods are their dangling arms. These arms help cephalopods capture prey and navigate through the water. Check out the arms on the cephalopods below. Octopus have 8 arms and squids have 8 arms and 2 tentacles….. Pretty cool tools to have when capturing food!


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Denise is a science education researcher with a strong background in the biological sciences as well as teaching and learning. She holds a PhD in Ecology and Evolutionary Biology from The University of Tennessee Knoxville. Denise currently uses her expertise in her position as a laboratory coordinator for general education and majors Biology courses at the University of Illinois Champaign-Urbana. Denise takes a scientific approach to her research in order to attain a better understanding of teaching and learning in the biological sciences at all grade levels. She uses her research to drive curriculum development projects for K-12 and higher education instruction. In addition to her science education research Denise conducts biological research studies both in the laboratory and field setting (e.g., biodiversity inventories and genome sequencing). Denise is passionate about sharing her fascination of science and the natural world and as a result she is involved in many public education outreach endeavors.
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Guest Saturday, 13 July 2024