Classification

Zoology | Science Trek

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Zoologists study animals of all shapes and sizes.  Zoologists help us understand how animals live and interact with the world.  On this Science Trek, host Joan Cartan-Hansen and her guests, Steve Burns, director of Zoo Boise and Holly Holman, Zoo Boise’s veterinarian answer students’ questions. Viewers will also visit Zoo Boise and learn about its very special conservation program.

Animal Development: We're Just Tubes | Crash Course Biology

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Hank discusses the means by which organisms grow and develop. Reseach into the process of early embryonic development has uncovered how even the first few hours of a zygote's existance show a differentiation into the branching taxonomical groups of the animal kingdom. 

Dinosaur Train Map – Cretaceous

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<p>In this <i>Dinosaur Train</i> clip, Mr. Conductor discusses the characteristics and evolutionary developments of creatures which lived in the Jurassic period.</p>

The Tully Monster & Other Problematic Creatures | Eons

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There are animals in the fossil record that challenge some of our most basic ideas about what animals are supposed to look like. If there ever was a monster on this planet that was worthy of the name, it might have been the Tully Monster.

Dinosaur Train | Buddy and Tiny Sing Dinosaurs A to Z!

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In this video excerpt from Dinosaur Train, Buddy, and Tiny name species of dinosaurs from Apatosaurus to Zigongosaurus when they sing the "Dinosaurs A to Z" song with Mr. Conductor.

Hummingbird Species in the Transitional Zones

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The hummingbirds that live on the east slope of the Andes Mountains in Ecuador have adapted to a range of habitats, from steamy lowland rainforest to windswept alpine meadows. Biologists Smith and Schneider, studying the differences between these adjacent populations, are finding that natural selection in different ecological niches has pushed the birds down different evolutionary paths and created new species, even though the populations have not been isolated from each other geographically. From Evolution: "Darwin's Dangerous Idea."

Animal Adaptations: Brush Turkey Mounds

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In this video from NATURE: Animal Homes, explore the brush turkeys’ unique nest building practices on the forest floor.

Comparative Anatomy: What Makes Us Animals | Crash Course Biology

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Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things.

Plant Research at a Herbarium

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Learn how plant specimens are preserved for future study in this video from SciTech Now. The Steere Herbarium at the New York Botanical Garden contains 7.3 million plant samples from around the world. After they are collected by researchers, they are sent to the NYBG where they are identified. The samples are dried and then mounted on paper so they can be stored for researchers to use. The Garden also creates digital copies of the samples so more people can use them.

See the Making Herbarium Specimens Activity in the Support Materials section to create your own classroom herbarium.

Simple Animals: Sponges, Jellies, & Octopuses | Crash Course Biology

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Hank introduces us to the least complex animals: beginning with sponges and finishing with the most complex molluscs, octopuses, and squid. We differentiate them by the number of tissue layers they have and by the complexity of those layers.

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