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Cladogram Lab Report – Sydney Chick 6th Period
Cladogram Lab Report
Sydney Chick 6th period
In the lab, there was a comparison of several species to find there ancestral similarities and how and where they branch of from each other making them different species. The lab consisted of finding what traits the seven different species had. The seven traits being evaluated were put in sets, set one contained the dorsal nerve cord and notochord, set two contained paired appendages and a vertebral column, set 3 contained paired legs, set four contained amnion, set 5 contained mammary glands, set 6 contained placenta, and the last set number 7 contained short canine teeth and a forward foramen magnum. The lab used a wide range of species, to whom most believe to have no relation, but really they all contained at least one similar trait. The seven species being evaluated were: kangaroos, lampreys, rhesus monkeys, bullfrogs, humans, snapping turtles and tuna.

In the investigations of discovering which traits each animal had, a chart was made with all the different traits and animals; on the chart there was an ‘x for each trait the animal has, and a blank if the trait was not present. The lab was done by using valid online sources. For each animal, searches were done animal by animal and trait by trait. The findings show that the human contains every single trait and the only having one. In figure one below, there is a visual representation of which traits the animals have and dont having, which ultimately shows their similarities and differences. The experiment was conducted this way because the only way to find valid information was to use multiple online sources for each animal and comparing them to insure the proper answers were found.

In conclusion, discoveries of the experiment show that the rhesus monkey and human share all the same traits except for one…the placement of the foramen magnum. Also,

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Cladogram Lab Report And Comparison Of Several Species. (June 28, 2021). Retrieved from https://www.freeessays.education/cladogram-lab-report-and-comparison-of-several-species-essay/