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Science Spot: Classroom Activity: Invertebrate Classification Challenge [Pdf]
Guidelines and printable materials for an activity through which students match invertebrates to phylum in which they belong.
Earth Life
Earth Life Web: The Phylum Annelida
Beginning with a list of characteristics, this website from Earth-Life Web welcomes you to the amazing world of annelids. After discussing some of the 9,000 different worms included in this phylum, links to the classes polychaeta,...
Other
Marine Invertebrates of Hawaii Phylum Annelida
Colorful pictures and short descriptions of several marine worms are available here.
PBS
Pbs: The Shape of Life
Companion site for the 8-part PBS series, "The Shape of Life." Each section focuses on a different phylum, from porifera through chordata. This site is highly informative, with beautiful photography.
McGraw Hill
Mc Graw Hill Co: Arthropods Diverse and Ancient
A discussion of the history of arthropods and how they have been a very difficult species to classify over the years.
Palomar Community College District
Palomar College: Kingdom to Subphylum
The highest category of taxonomic classification is the kingdom. This website from Palomar College presents the five kingdoms in an easy-to-read chart and discusses the Animalia and Plantae kingdoms in depth. After reading through the...
Biology 4 kids
Biology4 Kids: Quiz: Arthropods
Take this ten-question review quiz over the Phylum Arthropoda. Read more about each question after an incorrect answer is given.
CK-12 Foundation
Ck 12: Life Science: Sponges
[Free Registration/Login may be required to access all resource tools.] Sponges are classified in the phylum Porifera, from the Latin words meaning "having pores." Sponges are sessile, meaning they cannot move, so they filter water...
BiologyWise
Biology Wise: Information About the Hydrostatic Skeleton
Explains what a hydrostatic skeleton is and the types of organisms that have one. Describes examples from six phyla and the advantages and disadvantages of this type of skeleton.
Other
Glaucus: Cnidaria
This is the home page of the phylum Cnidaria. Links to resources to the major group of invertebrates that includes the sea anemones, corals, jellyfishes, hydroids, and animals that contain 'cnida' stinging capsules.
Quia
Quia: Animal Classification
Use this website to test your knowledge of which animals belong to which groups.