In this lesson, learners investigate and compare the needs of plants and animals. The lesson can be downloaded in PDF format.

Each student will make his/her own mini-garden and will observe the growth and development of radishes. To help students learn about requirements for plant growth, the teacher will make four experimental gardens and place them in...

Extensive article on mangroves. Covers classification, physical characteristics, life cycle, habitat, economic value, and natural and human threats to their survival.

This article discusses how plants and microorganisms, until recently, have mostly controlled how much carbon dioxide is released into an ecosystem, and explains how this process works. Humans' burning of fossil fuels has upset the...

Article explaining what viruses are, their evolution, taxonomy, morphology, and replication. Also covers mechanisms by which viruses cause disease, how they can impact on plants, and the potential and real benefits we get from...

The ecology and natural history of plants that live at the expense of other organisms is described in detail at this site from the Palomar College. Great material for a report or presentation.

This concise site discusses the fact that wetlands are among the most productive ecosystems in the world, play an integral part in the ecology of the watershed, and also have a role in atmospheric maintenance.

The Florida Museum of Natural History offers an excellent review of the reefs, mangrove and seagrass habitats of the Florida Keys. Spend some time learning about this unique location.

As you watch Nature Cat, use these tools to guide discussions and learning activities. Includes printables on story elements, alternate endings, vocabulary words, character traits, an episode map, and a Venn diagram.

The transport of living plants and animals to areas beyond their native range has been practiced by human beings for thousands of years. While some introductions are intentional, others occur by accident or happenstance. Regardless of...

Dedicated to aquatic resource conservation, this task force addresses the expansion of harmful plants, fish, and other animals and invasive species

Discussion of the conversion of light energy to chemical energy through the life-sustaining process of photosynthesis. Explores the reactions of photosynthesis, where they take place, and their ecological importance.