Evolution Chapters 15-17

What is it when scientists determine age by looking at rock layer or index fossils around it?

Evidence for evolution includes fossils, vestigial organs, and homologous structures.  

How will natural selection affect the relative frequency of green vs. brown beetles below? 

What type of isolation occurred if they no longer mate, due to different courtship behaviors

Photosynthesis produces oxygen, early bacteria producing this created what in the atmosphere?

Gene shuffling causes you to get the exact same genes from your parents as your siblings. 

Which is the correct order of the era's?  (oldest to most recent)

What is the theory called where symbiotic prokaryotes fused together to make a eukaryote cell?

What type of isolation occurs when they have become 2 separate species who cannot interbreed? 

All the genes that exist within a population are called what? 

What do you call similar structures that perform different functions? 

What type of selection leads to 2 different phenotypes, such as light and dark but no medium? 

What type of organisms were the first life forms?  

What type of selection occurs when there is a shift to a medium color or average size? 

Choose and animal that appeared during the Jurassic Period

Pick 2 gases found on early earth

Describe the natural selection that occurred in peppered moths after pollution. 

The atmosphere of early earth was very different making the sky look what color?  

What is the term for an organ that no longer has a function?

What process determines age by how many carbon isotopes are left in fossils?

What do you call a characteristic, such as camouflage, that helps an organisms survive? 

What principle states gene frequency won't change unless some factor (disaster) causes it?

Which best describes Darwin's theory of natural selection? 

What is the term for preserved ancient organisms? 

The reason the color of the oceans was so different on early earth was because it contained....

What is the number of times an allele occurs in a gene pool called?  

What is it called when gene frequencies remain the same or stable in a large population?

What is the term for change over time?

What's the term for when humans breed animals for useful traits?

What type of selection occurs when there is a shift to one phenotype, such as light to dark? 

What is the term for the number of individuals of the same species living in an area? 

Malthus predicted that more people were dying than being born, leading to overpopulation.

What is the term for when many species evolve from a common ancestor?

What's the term for organisms coming from common ancestor? (similarities in embryos shows this)

What is the term for when there are periods of no evolution followed by rapid change?

What type of isolation occurs when a geographic barrier separates them, creating 2 species?

What gas did photosynthetic bacteria produce that changed earth's atmosphere and oceans?

The atmosphere of early earth was different, early life had to live without using what gas?

What is the term for when 2 unrelated species look alike? (Like a shark and dolphin)

What type of isolation has occurred if they no longer mate, due to different mating times? 

Scientist who thought living things could acquire or lose features & pass this on to offspring?

After recreating the conditions of early earth, Miller and Urey found what was created? 

Which color experienced natural selection & had the greatest fitness by the final population? 

The oceans on early earth looked very different, what color did they look?  

What is the term for when 2 species change in response to each other, or evolve together?

What is a large scale pattern of evolution called? 

When a small group migrates and the new population has different gene frequencies, it's called?

What is the term for those best suited to an environment, who can survive and reproduce?

An organism's ability to survive and reproduced is called its?