What are the three main branches of the tree of life?
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What is the meaning of the number that appears beneath the branches of a phylogeny tree. Explain how they are obtained and what they mean.
8. (9 points) Over the life of a tree, please identify the tissues that are responsible for protecting the main stem of that tree from the time it is a seedling through the transition to a tree with a woody main stem. Please be specific about the names of these tissues and the reason that this function is not performed by a single tissue for the life of the tree
In simple bullet points, what are the main improvements that have made our study of the tree of life far more rigourous since its appearence in Darwin's work?
