[Free Registration/Login Required] An informational text about natural selection and its role in the theory of evolution. A question sheet is available to help students build skills in reading comprehension.

This encyclopedia article from Wikipedia on adaptive radiation discusses what it is, lists some examples, and distinguishes between the three different types of adaptive radiation.

A beautiful photo journal taken in Ecuador in 1998.

Explore the scientific ideas that paved the way for Charles Darwin's theory of natural selection. Map and research his scientific journeys and explain how his theory changed the course of science and the world.

The Discovery Channel provides numerous lesson plans dealing with plants. Content is organized by grade level, but all lesson plans include suggestions for adaptations for older or younger audiences.

A map of Peru and Bolivia from 1906 showing the political boundaries at that time. The map shows the capital cities of Lima (Peru) and La Paz (Bolivia), major cities, towns, and ports, railroads, rivers, lakes, mountains and terrain, and...

Explore Ecuador's Amazon, Andes, Coast and Galapagos regions in this tourist oriented site. Find information about things to do, essential tools, Ecuadorian cities, Hotels, Spanish Schools, Tour Operators, Travel Agencies, Galapagos...

A map of South America from 1906 showing the political boundaries of the time. The map shows capitals, major cities, ports, rivers, and coastal features. An inset map shows the Galapagos Islands.

A map of South America from 1909 showing the political boundaries of the time. The map shows capitals, major cities, ports, rivers, and coastal features. An inset map shows the Galapagos Islands.

A map of South America from 1919 showing the political boundaries of the time. The map shows capitals, major cities, ports, rivers, and coastal features. An inset map shows the Galapagos Islands.

A map of South America from 1920 showing the political boundaries of the time. The map shows capitals, major cities, ports, rivers, terrain, and coastal features. An inset map shows the Galapagos Islands.

A map of South America from 1920 showing the political boundaries of the time. The map shows capitals, major cities, ports, rivers, and coastal features. An inset map shows the Galapagos Islands. A key-grid reference to countries and...

A map from 1903 showing the national boundaries of South America at the time (note the boundaries between Peru and Bolivia, and that Columbia, Ecuador, and Panama are shown as one country). The map shows capitals and major cities, towns,...

A map from 1921 of South America showing the political boundaries of the time, major cities, railroads, terrain, rivers, and coastal features, and includes an insert map of the Galapagos Islands. " South America, the fourth largest grand...

A map from 1902 of South America showing the national boundaries at the time. The map shows capitals, major cities, ports, railroads, canals, rivers, and coastal features. Railroads appear as red lines, with important trunk lines shown...

A physical and political map of northwestern South America in 1916 showing the boundaries for Columbia, Venezuela, the Guianas, Ecuador, Peru, and Bolivia at the time. The map uses color-contouring to show elevations from sea level to...

A map of South America from 1922 showing the political boundaries of the time. The map shows capitals, major cities, ports, rivers, and coastal features. An inset map shows the Galapagos Islands.

Good resource for country specific information on the geography of Ecuador from the Embassy of Ecuador. Covers the Coast, the Highlands, the Amazon, and the Galapagos Islands.

Good resource for country specific information on the geography of Ecuador from the Embassy of Ecuador. Covers the Coast, the Highlands, the Amazon, and the Galapagos Islands.

Good resource for country specific information on the geography of Ecuador from the Embassy of Ecuador. Covers the Coast, the Highlands, the Amazon, and the Galapagos Islands.

Good resource for country specific information on the geography of Ecuador from the Embassy of Ecuador. Covers the Coast, the Highlands, the Amazon, and the Galapagos Islands.

Good resource for country specific information on the geography of Ecuador from the Embassy of Ecuador. Covers the Coast, the Highlands, the Amazon, and the Galapagos Islands.

Good resource for country specific information on the geography of Ecuador from the Embassy of Ecuador. Covers the Coast, the Highlands, the Amazon, and the Galapagos Islands.

Enjoy the adventure of the Galapagos Islands from the point of view of six-year-old "Little Miss Chievous". She tells about the yacht her family took to the islands and shares her pictures with descriptions.