Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts. 

In this modern classification worksheet, 9th graders describe ways scientists determine an organism's phylogeny. Then they explain what the animal and fungi kingdoms have in common and how they differ. Students also classify some cells...

An eight-unit electronic textbook provides a guide to AP® Biology. Each of the 28 chapters include an introduction, multiple lessons, a summary, review questions, and test prep questions. Teachers see how each lesson connects to a big...

Students observe the two major developmental pathways (protostome and deuterostome). They analyze data regarding differences in nucleotide sequences and construct a phylogenetic tree. They observe the similar evolutionary history shared...

Learners are able to describe the development of their chosen form of vertebrate life from the past to the present in a four to six page typed paper. They explain the use of phylogenetic tree. Students use the phylogenetic tree to...

Students describe the development of their chosen form of vertebrate life from the past to the present in a four to six page paper. They explain the use of a phylogenetic tree, and use this to exemplify an organism's evolutionary change...

In this introduction to animals instructional activity, students complete a crossword puzzle with 47 questions on the types and characteristics of animals.

Extensive site that contains much information about the various animal phyla. Each phyla gives photos, common examples, scientific names and references. Collection of 1630 websites about bio-diversity.

Alphabetical listing from the University of California of info on each of the animal phyla. Includes scientific and common names and photos. Characteristics of each group are explained in detail.

Visual and textual information of the major animal phyla with a focus on marine organisms.

Interactive animation illustrates how Charles Darwin used his study of finch beaks to explain evolution. A phylogenetic tree diagram shows how the birds' color and beak shape changed over generations.

A detailed website that explains the history and process of classifying animals using evolutionary, molecular, and physical characteristics relationships. Website also contains information on evolution and evolutionary processes....

Learn about the characteristics, classification, and phylogeny that make the Phylum Chordata, a distinct animal classification group. See examples and photos of different species of chordates.

This is an advanced level review of the biology of these organisms. The opening photographs are worth seeing!

This concise worksheet site will enable students to learn how to create a classification system and to understand the reasons for classification in science. Requires Adobe Reader.