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In this episode, host Emily Graslie discusses the anatomy of various mammals and how they move. Tetrapods generally use three different types of locomotion. Graslie highlights three groups of animals and the science behind their movements: plantigrade animals, digitigrade animals, and unguligrade animals. Part of "The Brain Scoop" series.
(Source: DCMP)
Paleontologists today look at more than just fossil evidence to learn about organisms that lived millions of years ago. In this episode, host Emily Graslie seeks to answer the question, "How did mammals develop their specialized movements?" Part of "The Brain Scoop" series.
New research led by scientists at the University of California, Berkeley, suggests that the shape of some animals' pupils could reveal whether one is hunter or hunted. An analysis of 214 species of land animals shows that a creature's ecological niche is a strong predictor of pupil shape. Species with pupils that are vertical slits are more likely to be ambush predators that are active both day and night. In contrast, those with horizontally elongated pupils are extremely likely to be plant-eating prey species with eyes on the sides of their heads.
Basic educational diagram showing a cross section of an animal cell. Design modalities for the image include braille with and without labels, print with and without labels in greyscale, color, and texture.
(Source: Benetech)
Vertebrates use their backbones to move in a variety of ways. Observes and comments on the movement of fish, moray eels, newts, salmon, cheetahs, dolphins, birds, and babies. Highlights the differences and similarities of their movement. Motorized models reveal precisely how some animals' backbones move.
Part of the "Branches on the Tree of Life" series. The phylum Chordata includes tunicates, sea lancelets, hagfish, and all familiar vertebrate animals. Explores how these seemingly diverse animals evolved and how the group is unified by four characteristic structures: a hollow dorsal nerve chord, a supportive notochord, gill slits, and a post-anal tail. Key milestones in vertebrate evolution include improvements in swimming and feeding, the evolution of paired fins and a primitive lung, movement onto the land, and the emergence of the amniotic egg.
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.
Anole lizards are highly territorial and typically stick close to their home tree. So, what happens when a team of researchers carries them far away into the forest? Will they find their way back? Dr. Manuel Leal and colleagues designed an experiment to find out. They displaced the lizards from their home territories and then tracked their movements using radio transmitters. Most of the lizards were able to orient themselves and head in the right direction, with some making a beeline back to their original tree in less than 24 hours.
Basking sharks are the second largest shark in the ocean, and NOAA scientists are using the latest technologies to study them. The scientists capture and tag the sharks in an effort to study their movements and preferred habitat. Part of "The Science Behind" series.
Summer ice retreat in the Chukchi Sea between Alaska and Russia is a significant climate change impact affecting Pacific Walruses. Scientists follow walruses in their summer sea ice habitat and show how United States Geological Survey (USGS) biologists use satellite radio tags to track their movements and behavior. The information identifies areas of special importance to walruses during sparse summer sea ice.
Human beings, like every living organism, are driven by two inherent needs: to survive, and ultimately, to reproduce. To accomplish the goals of survival and reproduction, we have inherited bodies crafted by evolution so that every individual human organism is an organic super factory, a living machine made up of systems that process fuel, build products, repair damage, expel waste, and defend against invaders. Introduces the complex physiological systems of the human body: muscular movement, digestion, circulation, respiration, nerves, glands, immunity, and reproduction. Also, illustrates and explains the cellular basis of life and the importance of carbon in organic chemistry.
In less than a second a sandfish lizard can dig its way into the sand and disappear. The sandfish's slithering moves are inspiring new robotic moves that could one day help search and rescue crews find survivors in piles of rubble left from disasters. With support from the National Science Foundation, physicist Daniel Goldman and his team at Georgia Tech are studying the lizard’s movements, using x-rays to track it underground. Their findings will contribute to engineering designs for deployable robots that could one day help canine search and rescue teams find survivors more quickly.
Nourish is an educational initiative designed to open a meaningful conversation about food and sustainability, particularly in schools and communities. In this clip, food experts discuss the treatment of animals in the industrialized food industry. Part of the Nourish Short Films Series.
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.
Scientists and conservationists use the latest technologies as they work to preserve and protect over 5,000 endangered animals. Some techniques include communication with animals, raising orphans, moving animals to new areas, and mating programs in zoos. Uses a Q and A format.
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.
Looks at amazing instincts of three kinds of mammals: whales, bears and monkeys (primates). Segment 1, Marine Migration: Follows the humpback whales' migration through the waters between Maui and Alaska. Describes "bubblenetting", the whale's unique feeding behavior. Segment 2, Hibernation and Homing: Shows how bears' hibernation and homing instincts help them survive treacherous conditions. Segment 3, Parenting Primates: Visits the island of Borneo and shows how adult proboscis monkeys, macaques, and orangutans teach their young. Suggested classroom activities follow each segment.
Presents the following songs about animals using American Sign Language: Oh Where, Oh Where Has My Little Dog Gone?; Itsy Bitsy Spider; Bat, Bat; Bear Went Over the Mountain; Croak!!! Said the Toad; Animal Parade; Froggy Went A-Courtin'; Animal Alphabet.
Part of "Show Me Science" series. Are animals intelligent? Bees communicate with each other. Monkeys use rocks and sticks to help them get food. Is this instinctual or is it evidence of thought? Some scientists believe that one measure of intelligence is self-awareness, and that an animal's reaction to its own image in a mirror can tell us whether or not it is self-aware. Looks at fish, birds, monkeys, and primates and their reactions to themselves in a mirror. Researchers look for signs of self-recognition as they observe, record, and interpret the reactions of these animals. Includes suggestions for careers in this field of study.
Showing collections 1 to 5 of 5
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
Biology related concepts
A collection containing 59 resources, curated by Benetech
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Collection of anatomy resources
A collection containing 21 resources, curated by Benetech
