College-level instructor's notes describing taxonomy. Explanations and images give a chronological history of the science of classifying organisms.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about types of stars and he life cycle of a star. Includes a few questions to check for understanding.

This is a lesson to help learners understand the phylogeny of organisms and how all organisms are linked in a certain way. By navigating an Internet site, students will learn how organisms are classified.

This is an inquiry based cooperative learning unit that can be used in biology as a graduation exam review or in botany for a nine week project. The students will learn the life cycle of mosses, ferns, gymnosperms and angiosperms. The...

Detailed information about each of the five kingdoms. Each kingdom is separately described, but information is also summarized in a table.

Explore the world of plants and all that encompasses the second biggest kingdom of classification.

Educational site offers an illustration of the salmon life cycle as well as information on salmon reproduction, adaptation to salt water, life span, diet, anatomy, predators and more.

An in-depth description of butterflies, with information about their classification, appearance, habitat, adaptations, reproduction, diet, and other interesting facts. Also includes pictures. [3:17]

Use this site to learn more about this playful member of the weasel family through this detailed fact sheet and these wonderful photos.

What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.

This site created by NatureWorks reveals the natural history of the Marbled Godwit, a North American shore bird. The content of this resource includes a look at this species' characteristics, range, habitat, diet, life cycle, and behavior.

This is a fantastic account of the life of astronomer, Annie Jump Cannon. Included in this biography are additional links to photographs of her tools and her accomplishments.

There are over 400 different species of sharks that live in the earth's oceans. Most sharks live in mild or warm parts of oceans. However, there are a few that live in cold waters, like the Greenland shark, which lives in the Arctic, and...

Examine the captivating world of the three-toed sloth by discovering facts about its distribution, habitats, behaviors, and classification through photos, videos, descriptions, and external links.

Provides information about Spirogyra, a type of algae. Discusses characteristics, classification, cell structure, method of reproduction, and life cycle.