How Much Is an Ecosystem Worth?

Students see that ecosystems provide services to people that are essential to life as we know it. Reporters (drops of water) could interview the trees and soil in the surrounding ecosystems for news stories on how they helped keep the...

There are millions of plant and animal species on the planet, but why do we need so many? Follow along with this short video as it explains how biodiversity helps strengthen ecosystems, allowing them to adapt to change so that life...

Students use the example of natural water purification to show that healthy ecosystems provide services to people that are essential to life as we know it.

Students explain and discuss the importance of ecosystems. They analyze the natural resources in the environment. They also suggest actions that would protect ecosystems.

Learners examine how plants are able to adapt to their ecosystem and the role that fire plays in changes through the years.  In this ecosystem lesson students complete several exercises focussing on plants and their adaptations to.

Students work together to identify marine debris. They explain the effect of the debris on various ecosystems. They draw different types of ocean currents as well.

Students explore how ecosystems purify water and what kinds of things humans do that alter these processes. They use a website to access information on local watersheds and develop a "river" newspaper

Why is diversity in biology so important for an ecosystem? Explore biodiversity, evolution, and natural selection with a presentation for your biology class. It features clear information, activities for further understanding, and...

Students calculate the board footage of a tree. In this forestry lesson, students use a Biltmore tree scale stick to calculate the number of board feet that would be produced. They quantify the economic value of a tree from this...

In this systems and controls worksheet, students write the major function, identify three controls, and give examples of each system. Students do this for highways, school, desert ecosystem, and communication.