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Paleontology (Dinosaurs)/biology
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Question
i need help making a cladogram using slugs catfish frog tiger and a human. i have to tell if cells,backbone,legs,hair opposable thumbs are present or not.
This is more of a biology question, but it's fairly simple
Slugs-cells
Catfish-cells, backbone
Frog-cells, backbone, legs
Tiger-cells, backbone, legs, hair
Human-cells, backbone, legs, hair, thumbs
That's what cladistics is all about
I hope this helps
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David Prus
Expertise
I can answer any general questions about dinosaurs and on prehistoric mammals in the Cenozoic. I also know a bit about the media's various depictions of dinosaurs and their inaccuracies. I don't know much about "microfauna"-small animals, or about Paleozoic besides some knowledge about Permian animals. Plants are right out, I'm afraid. Please do not ask me to identify fossils.
Experience
I have been interested in dinosaurs for most of my life, own a large collection of scientific papers and books on the subject, and am a member of the Field Museum in Chicago.
Education/Credentials
I am in college, but studied biology and geology both in high school and as a personal effort.
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