This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.

"Use this animation to compare the relative sizes of cells and organisms sitting on a pinhead. See the size of these nearly invisible without magnification" View dust mites dwarf pollen grains and human cells. In turn, bacteria and...

In this activity, students will capture and examine the particles to gain an appreciation of how much dust, pollen and other particulate matter is present in the air around them. Students will place "pollution detectors" at various...

Find answers on how to survive the allergy season. Information is provided on asthma, allergies, and the allergens or irritants that cause them. Strategies are given to help avoid exposure to substances such as mold, cigarette smoke,...

Flowers are dependent on various means to transport their pollen. Transfer by animals, insects, birds, bats, and wind are five methods for pollination to occur that are described here.

[Free Registration/Login may be required to access all resource tools.] Most allergies can be prevented by avoiding the substances that cause them. For example, you can avoid pollens by staying indoors as much as possible. You can learn...

Beehives are made of walls, each of the same size, enclosing small hexagonal cells where honey and pollen are stored and bees are raised. This problem examines some of the mathematical advantages of the hexagonal tiling in a beehive....

Some flowers have developed adaptations that lure insects to them for pollination. Visit this website to learn about the very unusual adaptations of the bee orchid.

Explore a few of the ways plants pollinate each other in this video segment from Sexual Encounters of a Floral Kind.

Smithsonian Education presents a series of three lesson plans whose focus is plants and animals in their role as partners in pollination. Each lesson comes complete with clear learning objectives, materials list, subjects covered,...

Learn the parts of a flower and how a plant gets pollinated. Includes video, songs, diagrams, and lesson plans.

Teachers will love this comprehensive Grades 3-6 curriculum on pollinators. There are six modules of detailed plans and accompanying materials. Pre-assessment activities and teacher background information, as well as supplemental...

This lesson plan helps students understand the concept of pollination. Objectives, materials, procedures, adaptations, discussion questions, evaluation, extensions, suggested readings, links, vocabulary, and academic standards are all...

This site, from retired Harvard professor John W. Kimball, provides a detailed but understandable explanation of sexual reproduction in flowering plants. Includes informative, well labelled illustrations.

Web page dedicated to research and education related to respiratory care and conditions. This resource contains a great deal of information on many respiratory conditions and treatments.

The Mexican long-nosed bat feeds mainly on the nectar and pollen of agaves, and is found in Texas in June and July when the plants are in bloom there. Then it migrates southward into Mexico, where it lives in pine-oak forests and...

Mexican long-tongued bats feed on fruits, pollen, nectar, and probably insects. The populations that summer in the United States migrate to Mexico and northern Central America in winter, following the blooming cycle of plants such as...

Since evolution favors genetic variability what prevents pollen from fertilizing its own eggs? This effective site presents answers to this question.

Here is a three-part lesson plan on the plant and animal relationship in respect to pollination.

Microscopic images, detailed information, and illustrated diagrams help explain plant reproduction with a focus on fertilization.

Ah, spring. Grass growing, flowers blooming, trees budding. For those with allergies, though, this explosion of new life probably inspires more dread than joy. So what's behind this annual onslaught of mucus? Eleanor Nelsen explains what...

This website answers the questions: What is pollination? What is a pollinator? What are the benefits?

This is a lengthy article that examines facts and information related to pollinators and the critical need they fulfill.

A detailed overview of the Earth's climate, with explanations about the difference between weather and climate, dendrochronology, palynology, and how Earth's climate has changed over time. All information is reinforced through pictures,...