Exam 7: Darwinian Evolution

Of those listed below,which category of classification is the most narrow?

A requirement of cladistics is that a grouping must include ________.

Others had suggested mechanisms for evolution before Darwin published his work.By what means did Darwin propose species evolved over time?

What is the smallest unit that can evolve?

Individuals with variations that make them best suited to their environment will,on average,be more likely to ________.

What is the leading hypothesis for what might have brought about the extinction of the dinosaurs?

Certain traits will have been lost from the gene pool forever.Some may be obvious,like people with red hair or double jointed thumbs.Others will be less obvious,like the ability to process cholesterol or being allergic to peanuts.This loss of diversity in a reduced population is called ________.

The modern evolutionary synthesis of the 1930s and 1940s melded together evolutionary theory with ________.

Can you inherit physical traits that your parents acquired during their lifetime?

Comparing the body structures of organisms to find evidence of a shared evolutionary history is called ________.

What events can lead to offspring having a unique arrangement of their parents' genes?

Which of the following might be a cause of sympatric speciation?

Which two observations led Darwin to conclude that there is competition for survival?

Which grouping immediately follows Order in the classification hierarchy?

All prokaryotes are in the domain ________.

During which geological era did life first appear on the planet?