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Read the Fine Print
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(Complete Item Description)
- Abstract:
Finches on the Galapagos Islands have evolved to exploit almost every possible niche. This diagram shows the range of food sources available on the island and the different beak shapes adapted to exploit each of them.
- Subject:
- Science and Technology
- Grade Level:
- Secondary
- Collection:
-
Teachers' Domain
Read the Fine Print
-
(Complete Item Description)
- Abstract:
These images from the Smithsonian Institution depict Nancy Knowlton's work with snapping shrimp in Panama. Knowlton found that the closing of the isthmus -- dividing the Pacific Ocean from the Caribbean -- resulted in new species of shrimp.
- Subject:
- Science and Technology
- Grade Level:
- Secondary
- Collection:
-
Teachers' Domain
Read the Fine Print
-
(Complete Item Description)
- Abstract:
Hear the different songs of three lacewing flies, which serve as reproductive isolating mechanisms between species and determine mate choice. Lacewing audio song from Charles Henry.
- Subject:
- Science and Technology
- Grade Level:
- Secondary
- Collection:
-
Teachers' Domain
Read the Fine Print
-
(Complete Item Description)
- Abstract:
From The Human Evolution Coloring Book by Adrienne Zihlman, four different proteins from humans and horses are compared in this graphic and article, and the reasons each protein evolves at its own characteristic rate are discussed. Each protein is useful for measuring evolutionary change over a different time scale.
- Subject:
- Science and Technology
- Grade Level:
- Secondary
- Collection:
-
Teachers' Domain
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