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Speciation and Evolution

... connexus dot com/content/media/917517-4162013-72829-PM-1012149111.jpg A. to compare structures in the fossil with homologous structures in other vertebrates. B. to look for vestigial structures in the fossil and compare them with functioning structures in living organisms. C. to examine the fossil ...

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by 1357
Mon Nov 25, 2013 4:01 am
Forum: Evolution
Topic: Speciation and Evolution
Replies: 6
Views: 7637


... to misinterpretation of why the animal is showing a particular behavioural trait. Attributing basic personality traits in higher animals such as vertebrates is understandable but can we really begin attributing human like personalities to organisms such as insects? We would have to remember that ...

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by fumpledrumpskin
Sun Sep 15, 2013 2:06 pm
Forum: Zoology Discussion
Topic: Personality
Replies: 0
Views: 1362


Gluconeogenesis is a ubiquitous process, present in plants, animals, fungi, bacteria, and other microorganisms. In vertebrates, gluconeogenesis takes place mainly in the liver and, to a lesser extent, in the cortex of kidneys. The process is highly endergonic until ATP or GTP are ...

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by snowfall
Thu May 30, 2013 5:24 pm
Forum: Cell Biology
Topic: Gluconeogenesis
Replies: 8
Views: 9435

On the number of limbs.

I've been wondering, what does limit the number of limbs?. For example, nearly all vertebrates are cuadrupedal or have vestigial limbs that add up to 4 limbs, why is it that there are no, let's say, hexapedal ( it would be possible for a, let's say, 4 legs bird? )

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by elvex1
Mon Feb 04, 2013 6:21 pm
Forum: Evolution
Topic: On the number of limbs.
Replies: 7
Views: 5204

Book recommendation for exam

... thyroid, parathyroid, adrenal, pancreas, gonads) and their interrelationships. 18. Comparative functional anatomy of various systems of vertebrates (integument and its derivatives, endoskeleton, locomotory organs, digestive system, respiratory system, circulatory system including heart ...

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by bertstare
Sun Oct 21, 2012 2:19 pm
Forum: Zoology Discussion
Topic: Book recommendation for exam
Replies: 3
Views: 8556
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