Organism Phylum Characteristics Used to Identify

Student Name:

Animal Invertebrates Online Lab

Background: There are ten major phyla that represent the invertebrate animals. Though they all share animal characteristics, each phylum has unique characteristics that allow for identification and classification of those organisms. There are two parts to this lab activity: part 1, a taxonomic key with identification activity and part 2, research the parts of a common invertebrate.

Part I

Instructions: Review the information found in the lessons on invertebrates including. As you go through each lesson, list the key physical characteristics of each phylum that you would use to identify one and record in the chart found on the following pages. Use that chart to identify the organisms on the next page and list the characteristics you used to identify them.

Organism Phylum

Characteristics Used to Identify

Student Name:

Animal Invertebrates Online Lab

Phylum

Key Characteristics

Placazoa

Porifera

Cnidaria

Rotifera

Mollusca

Annelida

Platyhelmnthes

Nematoda

Echinodermata

Chordata

Student Name:

Animal Invertebrates Online Lab

Part II

Instructions: Review the information in the lesson Phylum Echinodermata and do some research online about Starfish. As you research describe each body part's function.

Body Part

Function

Anus

Madreporite

Oral surface

Dorsal surface

Pyloric caecum

Stomach

Tube foot

Radial canal

Ampulla

Gills

Coelom

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