Entomology Exam 3 - Fossil Insects

What is Homology?

Similarity Due to Common Ancestor

What is an Apomorphy Feature?

A Unique Feature Used to Define Group

What is a Plesiomorphy Feature?

A Characteristic Present but Not Used to Define a Group

What is Homoplasy?

Similarity Due to Convergent Evolution or Parallelism

What is Convergent Evolution?

Evolution of Similar Structures Due to Same Environmental Pressures

What is a Monophyletic Tree?

A Taxon Group Based on Apomorphy

What is a Paraphyletic Group?

A Group That Includes the Ancestor and Some but Not All of its Descendants

What is a Polyphyletic Group?

Taxon Based on Homoplasy

What are the Basic Reasons to Care About Phylogenetics?

1. Relationships of Organisms

2. Evolution of Structures

3. Co-Evolutionary Interactions

What are the Applied Reasons to Care About Phylogenetics?

1. Track Diseases

2. Diversity of Pathogens

3. Trace Genes

What is Biogeography?

Field of Biology That Examines Where Organisms are Distributed and Why They Occur Where They Occur

What are Compression Fossils?

Rock Fossils

What are Amber Fossils?

Fossilized Resin

What are Copal Fossils?

Resin on the Way to Become Amber