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Chapter 2 - Parents and Offspring

life_science

 

 

Unit A - Diversity of Life

  • Chapter 2 - Parents and Offspring

How do living things reproduce?

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Metamorphosis

The butterfly begins life as an egg, emerges as a caterpillar, and then undergoes a complete change in body form during development--a dramatic metamorphosis.
The wormlike butterfly larva, or caterpillar, looks nothing like a winged adult.

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Article

Who Are the Plants?

There are 10 divisions in the plant kingdom. The largest order, flowering plants, has 235,000 species. The smallest, gingkoes, has a single species. Learn more about the orders in the kingdom Plantae.

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Diagram

Parts of a Flower

Go beyond petals and leaves! Learn how to identify a flower's stamen, anther, filament, stigma, and more with this illustrated look at the parts of a flower. 

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Article

Aspen: A Keystone Species

By keeping a nature journal, this 16-year-old from Colorado quickly saw how aspens support and sustain biodiversity. Learn more about the most widely distributed tree species in North America.

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Article

Saguaro Cactus: From Life to Death

2003 Young Naturalist Award-winning essay - Journey to the Sonoran Desert in southern Arizona with this seventh-grader for an up-close and personal look at the saguaro cactus, which can live about 200 years and grow to be almost 80 feet tall.

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Article

Life in a Vernal Pool

Come exploring with this 9th-grader from Texas as she watches a thriving vernal pool habitat rise up from an area of dried-up muddy earth—and then disappear once again.

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Activity

What Do You Know About Genetics?

How much do you know about what makes you you? Test your genetics knowledge with this interactive quiz. Then, take a nurturing look at the answers when you're done.

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Article

Frozen in Time (Science World)

Meet an AMNH scientist who manages one of the world's largest frozen tissue collections. Then take a peek inside her cryovats, where animals on the brink of extinction remain frozen in time. 

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Interactive

What's This?

Put your viewing skills to the test—and explore the Museum's Frozen Tissue Collection—with this mystery photo challenge.

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Activity

What Makes You, YOU

Nature + Nurture = You! While it may look like a simple equation, the combination of your genes and your environment is actually very complicated. Find out if your answers match your family's.

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American Museum of Natural History

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