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Part of the "Branches on the Tree of Life" series. Imagine an animal with no mouth, no digestive system, no excretory or circulatory organs, no brain nor nervous system, and no movement as an adult. In spite of their simple nature, sponges are actually one of the most interesting animal phyla when viewed in developmental, ecological, and evolutionary terms. Clarifies the structure, function, classification, and ecological roles of sponges through animations and time-lapse microscopy.
(Source: DCMP)
It’s widely believed that the younger one is, the easier it will be for one to learn a new language, and new research is finding that holds true for sign language as well. University of California, San Diego (UCSD), psychologist Rain Bosworth says that by five months old, babies are universal language sponges, attracted to language in their environment, and this includes sign language. With support from the National Science Foundation, Bosworth and her colleagues at the Infant Vision Lab (IVL) have been putting that theory to the test, investigating how deafness affects perception and cognition in babies, and the impact of early exposure to sign language. The team includes Karen Dobkins, director of IVL, So-One Hwang, of UCSD’s Center for Research in Language, and student researchers Adam Stone of Gallaudet University and Hector Borges of UCSD. Part of the National Science Foundation Series “Science Nation.”
There are millions of different types of animals on Earth, ranging from simple animals, such as sponges and worms, to more complex animals. Students focus on complex animals, specifically the major vertebrate groups: fishes, amphibians, reptiles, birds, and mammals. Specific examples of vertebrates are shown to illustrate the different characteristics of complex animals. Important terminology includes: vertebrae, backbone, gills, ectoderm, fins, metamorphosis, eggs, scales, feathers, and endotherm.
In Australia, scientists have found dolphins using tools to find food. The bottlenose dolphin has been observed covering their beaks with basket sponges as they forage for food. The sponge helps them uncover fish hiding in the sandy sea bottom and protects their snouts from scrapes and stings. Part of the "News of the Day" series.
Explores the fascinating features of the animal kingdom. The taxonomy of the different invertebrate and vertebrate phyla are the focus of the program, with special emphasis placed on the evolutionary relationships of the various phyla. Each of the major phyla are discussed, going from simple to more complex organisms. Other terminology includes: sponges, cnidarians, flatworms, roundworms, segmented worms, mollusks, arthropods, echinoderms, fishes, amphibians, reptiles, birds, and mammals.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
