26.1 Phylogenies Show Evolutionary Relationships Flashcards Preview

BIO153 Midterm 1 UTM with Richter > 26.1 Phylogenies Show Evolutionary Relationships > Flashcards

Flashcards in 26.1 Phylogenies Show Evolutionary Relationships Deck (8)
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1

What is Misclassification?

When a species has lost a key feature, shared by relatives, over the course of evolution.

2

What is a Sister Taxa?

A group f organisms that share an immediate common ancestor.

3

What is the difference between a rooted tree and an unrooted tree?

A rooted tree shows where the common ancestor is; an unrooted tree doesn't.

4

What do molecular biologists wear?

Designer Genes HAHAHA

(Thought I'd cheer you up with a joke)

5

What is a Basal Taxon?

The lineage that diverges early in the history of a group.

6

What is a Polytomy?

A branch point from which more that two descendants groups emerge.

7

What is an Internal Node?

Where lineages diverge.

8

What is a Lineage?

The sequence of species each of which is considered to have evolved from its predecessor.