26.1 Phylogenies Show Evolutionary Relationships Flashcards
1
Q
What is Misclassification?
A
When a species has lost a key feature, shared by relatives, over the course of evolution.
2
Q
What is a Sister Taxa?
A
A group f organisms that share an immediate common ancestor.
3
Q
What is the difference between a rooted tree and an unrooted tree?
A
A rooted tree shows where the common ancestor is; an unrooted tree doesn’t.
4
Q
What do molecular biologists wear?
A
Designer Genes HAHAHA
Thought I’d cheer you up with a joke
5
Q
What is a Basal Taxon?
A
The lineage that diverges early in the history of a group.
6
Q
What is a Polytomy?
A
A branch point from which more that two descendants groups emerge.
7
Q
What is an Internal Node?
A
Where lineages diverge.
8
Q
What is a Lineage?
A
The sequence of species each of which is considered to have evolved from its predecessor.
