Kingdom animalia

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This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.

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2. Purchase a sponge skeleton from a Paint Department. Sponge skeletons are currently popular as paint applicators. Using a hand lens, identify the pores, the spicules and the spongin.  What parts of the sponge are no longer present? To which class would the specimen likely belong?

3. Make a drawing of your purchased specimen, and label the parts that you are able to identify. Place your drawing here:

Questions                                                                                                     

1. A. List several beneficial uses of spong What is their role in their environment? Could we live without them?

1. List several detrimental effects of sponges, if any.

1. Why are sponges classified as animals?

1. D. Even though adult sponges do not relocate, why can the species still be considered motile? What is the advantage to the species?

Exercise 2: Phylum Cnidaria and Phylum Ctenophora

Questions                                                                                                     

1. A. List several beneficial aspects of What is their role in their environment? Could we live without them?

1. Why is there concern over the disappearance of the world’s coral reefs?

1. List several detrimental effects of cnidarians, if any.

1. D. Why are cnidarians classified as animals?

Exercise 3: Phylum Platyhelminthes

3. Do an online search on one of the following parasites to determine its hosts and cycle. Fasciola hepatica (sheep liver fluke), Dipylidium caninum and Taenia (Dog tapeworms), schistosomiasis, and Chinese liver flukes. Write a report on findings. Place your report here:

Questions                                                                                                             

1. A. List several beneficial aspects of platyhelmin What is their role in their environment? Could we live without them?

1. List several detrimental effects of platyhelminths.

1. List several ways that platyhelminths show increasing specialization over the phyla that you have studied so far.

Exercise 4: Phylum Nematoda

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1. View the prepared Trichinella slide under a microscope and draw a picture of your specimen. Label the following: pseudocoelom, dorsal nerve network, muscle layer, brain, and mouth. Place your drawing here:

2. Research and describe its life cycle. What stage of its life cycle is represented on the slide?

4. Do an online search on one of parasites mentioned in this section to determine its hosts and cycle. Ascaris lumbricoides can be added to your choices. Write a short report on your findings. Include your references in correct citation syntax. Place your report here:

Questions                                                                                                             

1. A. List several beneficial aspects of nemat  What is their role in their environment? Could we live without them?

1. List several detrimental effects of nematodes.

1. List several ways that nematodes show increasing specialization over the phyla that you have studied so far.

Exercise 5: Phylum Rotifera

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2. Do an online search on rotifers. Brachionus is a typical genus example. Write a short report on your findings. Place your report here:

Questions                                                                                                     

1. A. List several beneficial aspects of rotifer What is their role in their environment? Could we live without them?

1. List several detrimental effects of rotifers, if any.

1. List several ways that rotifers show increasing specialization over the phyla that you have studied so far

LaboRatoRy summaRy                                                                           

What have you learned from doing this laboratory that you did not know before you began it?