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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.
(Source: DCMP)
The sea is full of incredible creatures. Some have backbones, while others have no bones. Some are animals that look like plants, and others are animals that have no brains. Students will explore the world under the see and learn about marine life. Based on the children's book by Bob Barner.
In the early 1950s, American biologist James Watson and British physicist Francis Crick came up with their famous model of the DNA double helix. The structure of DNA, as represented in Watson and Crick's model, is a double-stranded helix. The sugar-phosphate backbones of the DNA strands make up the outside of the helix, while the nitrogenous bases are found on the inside and form hydrogen-bonded pairs that hold the DNA strands together. Other topics covered include DNA replication, RNA transcription, and RNA translation. Part of the "Biology" series.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
Biology related concepts
A collection containing 59 resources, curated by Benetech
