Search Results
Showing results 1 to 4 of 4
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-437.png?itok=zwB1E7js)
Flashy Fish
Source Institutions
Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-297.jpg?itok=jXJRbhVY)
Fish Features and Habitats
Source Institutions
In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-301.jpg?itok=PmKGLB0Z)
Fish Wheels
Source Institutions
In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-489.png?itok=9O_yj1ki)
Evolution in Action: Isolation and Speciation in the Lower Congo River
Source Institutions
In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.