[Free Registration/Login may be required to access all resource tools.] Describes the causes of species diversity in an ecosystem, why it is important for an ecosystem to have stable biodiversity, what happens if it becomes unstable, and...

Invasive species such as zebra mussels are threatening the ecosystems they are overrunning. Meet some of the unwelcome intruders and find out what they're doing and how their actions can be curbed.

[Free Registration/Login may be required to access all resource tools.] Describes the meaning of biodiversity. Includes videos and review questions.

An activity for students to explore biodiversity distribution in some extreme ecosystems and in their backyard.

Try this experiment around your yard or school and see how biodiversity at the plant level affects biodiversity at the insect level.

All of the following terms relate to the topic of harnessing science and education for biodiversity conservation.

As many species are going extinct due to healthy habitats being destroyed humans are depleting the world of its natural resources. Understand the repercussions of environmental destruction on species and biodiversity through this interview.

Learning activities to investigate how organisms interact in a functioning ecosystem. Young scholars will explore the role organisms play in food chains and preserving biodiversity in ecosystems. Lake Pontchartrain Basin ecosystem is...

Find the answers to the ecosystem activity about function.

A brief, concise description of the chain of islands that form most of the archipelago north of Nunavut and the Northwest Territories. It includes an excellent collection of images of the landscape as well as those of animals and birds...

This Atlantic Maritime ecozone includes Nova Scotia, New Brunswick, and Prince Edward Island. This brief, concise description includes a collection of images of the animals and birds native to the location. Many of the images include...

The Northwest Atlantic Marine ecozone begins in the Gulf of St. Lawrence and extends to the southeastern end of Baffin Island. This is a brief, concise description of the location, climate, geology, and flora and fauna. It includes some...

A concise description of the Arctic Cordillera that runs along the northeastern fringe of Nunavut and Labrador. It includes an excellent collection of images of the landscape as well as those of animals and birds native to the location....

The Arctic Basin Marine ecozone is found to the west of the Northwest Territories archipelago. This brief, concise description includes a collection of images of the animals and birds native to the location. Many of the images include...

The Arctic Archipelago Marine ecozone includes Hudson Bay and most of the water surrounding the islands of Nunavut and the Northwest Territories. This is a brief, concise description of the location, climate, geology, and flora and...

Elementary students will appreciate the cartoon style fact clips as the evolution of life on earth is laid out. Diversity, survival of the fittest, and ideas to help the environment are all included. An entertaining site for younger...

University of California site showcases how different types of organisms exist on the Earth and the history of life.

An extended field investigation intended as launch into several concepts in environmental science including biodiversity, human impacts on natural systems, and energy transfer in ecosystems.

In this field lab, students will investigate the biodiversity around their school and record and document the information they find. The students will compare their information to those of their classmates, develop multiple hypotheses...

In this hands on activity learners will learn how to identify basic macroinvertebrate using a dichotomous key. They will complete a chart used by the MPCA and we will discuss why an ecosystem may not be healthy or not.

This site from Newton's Apple, which is a production of KTCA Twin Cities Public Television, provides insights, vocabulary, resources and a main activity on the subject of why owls are threatened.

Find out what climate and habitat have to do with each other as it relates to the diversity of an ecosystem.

Find out why vegetation such as trees and shrubs play important roles in ecosystems.

The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...