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Chapter 1 - Cells and Kingdoms




Unit A - Diversity of Life

  • Chapter 1 - Cells and Kingdoms

How are living things similar?



Tree of Life

Investigate circular and 3D cladograms to see how scientists keep track of species and their evolutionary relationships. 

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Online Resource, Activity

Science Explorations

A series of online investigations featuring scientific discoveries from Museum’s experts. Science Explorations is a collaboration between the Museum and Scholastic, the global children’s publishing, education, and media company, created to promote science literacy among students in grades 3 through 10.



Global Grocery

Have you ever wondered what gives chocolate its flavor? Or where olive oil comes from? You might be surprised to learn just how far some of the items in your shopping bag have traveled.


Young Naturalist Awards Essay

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.


Classroom Activity

Describing Oak Leaves

Test your classification skills with this leafy challenge. Examine drawings of 12 oak leaves, and see if you can determine the common and scientific name for each one of the dozen.


Article, Hands-on Activity

Leapin' Lizards (SuperScience)

Introduce younger students to squamates and some of scaly lizards and snakes that are part of this group of animals. Then put their exhibit-designing skills to the test.


Classroom Activity

Name That Critter

Can you name the mystery arthropod named for its hundred-some legs? More important, do you know what physical and behavioral characteristics it shares with a shrimp or honeybee?



Saving Species

Take a world-wide tour of biodiversity. You'll meet mollusks in the reefs off the Bahamas, the aye-aye in the tropical forests of Madagascar, and the clever mimic-ant spider that lives in Australia.


Hands-on Activity

Slowing the Flow

All mammals—dogs, sea lions, and even you—have an adaptation for surviving in cold water. Take the plunge, and learn why the mammalian diving reflex is your cold-water friend.


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