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Taxonomy Lab to Show Organisms Relationship

In: Business and Management

Submitted By Shaylon
Words 1049
Pages 5
Unit 5 Individual Project
Name: Virginia Burgess
Date: April 27, 2014

Part 1. There are 9 animals in nine different Phyla. Be sure to look at every page.
| |Animal |Phylum |Dichotomous Key (steps) |Classification |
|1 |[pic][pic] |Cnidaria |(1b,2a,3a,4b) |Scyphozoa |
| | | |1b:symmetry is radial, or | |
| | | |bilateral | |
| | | |2a: Radial symmetry, lack or | |
| | | |well define head | |
| | | |3a: No spines or arms present | |
| | | |4b: saucer- shaped, | |
| | | |transparent body with thin | |
| | | |tentacles, free floating | |
|2 |[pic][pic] |Mollusca |(1b,2b,6a,7b,11a,12b,13a) |Gastropoda |
| | | |1b: symmetry is radial or | |
| | | |bilateral | |
| | | |2b: Bilateral symmetry | |
| | | |(similar right and left body | |
| | | |halves) anterior head end and | |
| | | |posterior tail end. | |
| | | |6a: Animal has no apparent | |
| | | |skeleton or may have and | |
| | | |exoskeleton (hard outer | |
| | | |covering). Or may have a | |
| | | |shell; invertebrate 7b: Hard | |
| | | |outer covering, exoskeleton, | |
| | | |or shell: not worm like 11a: | |
| | | |no jointed appendages 12b: | |
| | | |soft body, obvious head 13a: | |
| | | |may or may not have a shell; | |
| | | |head with tentacles, small eye| |
| | | |or eye spot | |
|3 |[pic][pic] |Annelida |(1b,2b,6a,7a,8b,9a) 1b: |Secernentea |
| | | |symmetry is radial or | |
| | | |bilateral 2b: Bilateral | |
| | | |symmetry ( similar right and | |
| | | |left body halves, anterior | |
| | | |head end and posterior tail | |
| | | |end) 6a: Animal has no | |
| | | |apparent skeleton, or may have| |
| | | |an exoskeleton hard outer | |
| | | |covering or may have a shell; | |
| | | |invertebrate 7a: No hard outer| |
| | | |covering, no exoskeleton, or | |
| | | |no shell: worm-like 8b: Body | |
| | | |is not segmented 9a: Body long| |
| | | |and tubular | |
|4 |[pic][pic] |Chordate |(1b,2b,6a,7b,11b,14b,15b) 1b: |Asteroidea |
| | | |symmetry is radial or | |
| | | |bilateral 2b: Bilateral | |
| | | |symmetry( similar right and | |
| | | |left body halves, anterior | |
| | | |head end and posterior tail | |
| | | |end) 6a: Animal has apparent | |
| | | |skeleton, or may have an | |
| | | |exoskeleton (hard outer | |
| | | |covering) or may have a shell:| |
| | | |not worm-like 11b: Jointed | |
| | | |appendages 14b: one pair of | |
| | | |antennae or none, no large | |
| | | |claws, 15b: three pairs of | |
| | | |legs, wing present | |
|5 |[pic][pic] |Porifera |(1a) 1a: symmetry is irregular|Demospongiac |
| | | |(neither bilateral or radial) | |
| | | |aquatic: body structure | |
| | | |without tissues or organs. | |
|6 |[pic][pic] |Echinodermata |(1b,2a,3b,5a) |Asteroidea |
| | | |1b: symmetry is radial or | |
| | | |bilateral | |
| | | |2a: radial symmetry, lack a | |
| | | |well-defined head | |
| | | |3b: spines or arm present | |
| | | |5a: five arms present, body | |
| | | |surface knobby | |
|7 |[pic][pic] |Chordata |(1b,2b,6b,16b,18b,19b,20a) 1b:|Aves |
| | | |Symmetry is radial or | |
| | | |bilateral 2b: Bilateral | |
| | | |symmetry (similar right and | |
| | | |left body halves, anterior | |
| | | |head end and posterior tail | |
| | | |end) 6b: Animal has internal | |
| | | |skeleton: vertebrate. 16b: not| |
| | | |fish like body not flattened, | |
| | | |appendages jointed or absen | |
| | | |claws or nails presents on | |
| | | |toes; skin covered with | |
| | | |feathers or hair 20a: | |
| | | |feathered claws present. | |
|8 |[pic][pic] |Platyhelminthes |(1b,2b,6a,7a,8b,9b,10a) |Turbellaria |
| |Image Rights: Allen G. | |1b:Symmetry is radial or | |
| |Collins and the UC Museum of Paleontology | |bilateral 2b: Bilateral | |
| | | |symmetry (similar right and | |
| | | |left body halves, anterior | |
| | | |head end and posterior tail | |
| | | |end). 6a: Animal has no | |
| | | |apparent skeleton or may have | |
| | | |an exoskeleton ( hard | |
| | | |covering) or may have a shell;| |
| | | |invertebrate. 7a: no hard | |
| | | |outer covering; no | |
| | | |exoskeleton, no shell | |
| | | |worm-like. 8b: body is not | |
| | | |segmented. 9b: body flattened.| |
| | | |10a: free living aquatic; | |
| | | |ribbon like, smooth. | |
|9 |[pic][pic] |Nematoda |(1b,2b,6a,7a,8b,9b,10b) 1b: |cestoda |
| |Image Rights: Courtesy of University of Minnesota | |Symmetry is radial or | |
| | | |bilateral 2b: Bilateral | |
| | | |symmetry (similar right and | |
| | | |left body halves, anterior | |
| | | |head end and posterior tail | |
| | | |end) 6a: Animal has no | |
| | | |apparent skeleton, or may have| |
| | | |an exoskeleton ( hard outer | |
| | | |covering) or may have a shell:| |
| | | |invertebrate 7a: no hard outer| |
| | | |covering, no exoskeleton, or | |
| | | |no shell: worm-like 8b: body | |
| | | |is not segmented 9b: body | |
| | | |flattened 10b: endoparasites | |
| | | |(lives inside host) may look | |
| | | |segmented. | |

Part 2: Answer the following questions as they relate to the nine phyla in the assignment table. (Porifera, Cnidaria, Nematoda, Athropoda, Platyhelminthes, Annelida, Mollusca, Echinodermata, and Chordata.) 1. Which phyla lack organs? What type of symmetry do they have? Porifera, known as sponges, lack definite tissues and organs. They are the only phylum in the animal kingdom, which do not have organs at all. They have no symmetry ( asymmetry) www.animaldiversity.ummz.umich.com

2. List all of the phyla that show cephalization. Roundworms (Nematoda), Flatworms (Platyhelminthes), and Segmented worms (Annelida). www.animaldiversity.ummz.umich.com

3. Do all organisms on the table have 3 germ layers (endoderm, ectoderm, and mesoderm)? If not, which phyla have fewer than three germ layers? Porifera and Cnidaria

4. One phylum on the table has more species than all the others. State the name of this phylum, and provide several different examples of species found in this phylum. Arthropoda has more species than all the other phyla. In the group Arthropoda we can find insects, Arachnids and Crustaceans. There are over 1 million known species in this group, such as crabs, butterflies, ants, beetles, scorpions, centipedes, spiders and lobsters.

5. Fish do not all have the same skeletal structure. Describe the differences among fish from the most primitive to more advanced types of fish. Not all fish have the same skeletal structure. There are three different types; the jawless fish, the cartilaginous fish and the bony fish. These fish are largely extinct. There are still two living group; the lampreys and the hagfishes. Fishes of the class placodermi (extinct). Were the first to develop jaws and paired fins. They had bony skeleton and were covered in bony armor. The cartilaginous fish, such as sharks, rays, and chimaeras have a cartilage skeleton. They don’t have a swimming bladder or lungs and they don’t have a gill covering. The bony fish are distinguished from the others by their bone skeletons and the presence of a swim bladder (and sometimes lungs). The bony fish are divided into two subclasses; the fleshly-finned fish and the ray-finned fish.

6. Describe the three types of mammals based on how their young develop. These types are the monotremes, the marsupials and the placental. The primitive monotremes lay eggs (ex. Platypus and echidna). The marsupials give birth to immature young and develop them in a pouch (ex. Kangaroo and koala). The placental mammals give birth to live young. The placenta (inside the mother) feed them as they develop in the womb before they are born (ex. Humans, dogs, and whales).

www.animaldiversity.ummz.umich.com

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