2.2 Processes of Classification Flashcards
DNA sequences or amino acid changes can be compared between different organisms to create a?
Phylogenetic Tree
What is the point in which two branches diverge called?
Node
What are time scaled trees called
Phylograms
What does rooted tree mean?
Base of the tree, has a beginning ancestor
What are the lines on a tree called?
Branches
What is the end of each branch called?
Leaf
What is an outgroup?
Least related organism
Pairs of taxa grouped together are called?
Sister taxa
What is a clade (monophyletic group)
A group of organisms that includes an ancestor and all its proposed descendants
Paraphyletic Group
Include a common ancestor and only some of its descendants
Polyphyletic Group
No Ancestor, has descendants
What are unscaled trees called
Cladograms
A P-value of less than 0.05 means
Means that the data is statistically significant - more reliable