Students simulate the changes in a natural population of birds or other species. They establish baseline data of population fluctuation for a closed population with a stable food supply. They graph the data to complete their mutations.

In this absolute time learning exercise, students define radiometric dating, tree rings and varves as means to measure absolute time. They are given information about each of these methods of dating.

Students examine and discuss the history and process of Gyotaku, or fish prints. They view images of Gyotaku, create a fish print, and write a haiku.

Students create an animal by using physical characteristics to classify that animal in the Linnaean Classification System. This lesson is part of a multi-segmented unit on the diversity of life.

Students model and differentiate between the processes of mitosis and meiosis. In partners, they use yarn and construction paper to create models for each of the phases of mitosis and meiosis then compare the chromosome numbers in each...

Young scholars explore Iowa geography and topographic maps. In this geography and topographic maps activity, student investigate maps, newspapers, Iowa flora and fauna. Students gain an understanding of how different landforms can be...

Learners investigate social behavior patterns of primates. Next, students research a specific primate-analyzing individual and group behavior patterns particular to the species. They create informational posters and present findings to...

Students investigate and study about the members of the crocodilian family and then create poster presentations and write poetic odes to them. They distinguish between facts and myths about crocodilians and assess the new discoveries...

Students try to draw and identify a jellyfish from a physical description. After reading an article, they discover new information about cnidarians. In groups, they research and develop dioramas about a specific cnidarian species. They...

In this primary source worksheet, learners read a selection about Lucy, a skeleton discovered in 1974, then complete a set of 4 document-based questions.

Eighth graders create a plant study guide using their outdoor classroom environment. In this ecology instructional activity, 8th graders take photographs of plants they collect from the outdoor classroom and create plant field...

Seventh graders simulate the capture-recapture method of population sampling using beans. In this biology lesson, 7th graders calculate the total population of beans in the bowl. They assess whether this method is reliable or not.

In this article review worksheet, students add, edit, or change articles to correct usage in sentences. In this short answer/article recognition worksheet, students answer thirty corrections.

Young scholars explore evolutionary processes and theories using the spotted fish applet. They observe what happens to fish in a closed environment with both food and predators. Students run the model several times and answer questions...

Fifth graders use general knowledge to make educated guesses about the habitat and survival strategies of animals from Australia, Antarctica and Africa. They research to confirm and check ideas and group animals in a variety of ways.

In this online quiz worksheet, students answer a set of trivia questions about horses. Page has a link to submit answers for review.

Eighth graders research information on cloning and the surrounding issues online. They analyze the issues surrounding cloning and present their point of view with supporting details in a Powerpoint presentation.

Students examine the concepts in the ecological organization unit.  In this ecological lesson students explore news articles that have to do with the study of ecology. 

The complete original text of On the Origin of Species by Charles Darwin.

Background information and slideshow presentation on creating the Origin of Species scientific manuscripts.

These pages are part of a site called "Evolution," that accompany a textbook by the same name. Mark Ridley is the author. This section is about Darwin, his travels, and his observations that led to "On The Origins Of Species."

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. Here he discusses theories for species change that were before Darwin published "On the Origin of Species."

This lecture covers the topic of life now and into the future, including the role genetic engineering will play.

Charles Darwin's famous journey is chronicled here in this online book. Read it just as it was published in 1845.