History of the Earth
How old is earth?
What is 4.6 billion years old?
What is change in gene frequency over time
What is natural selection
This piece of evidence involves using fossils to put together a visual timeline of how organisms changed over time. It also allows us to determine the dates when organisms lived.
What is the fossil record
When did the first living organisms appear on earth?
What is 3.5 billion years ago?
This type of evolution occurs when organisms become less alike, generally diverging into new species
What is divergent evolution
Who is the father of natural selection?
What is Charles Darwin
This evidence is found within the blue print of each organism. Comparing it allows us to see genetic similarities.
What is similarities in DNA
When did the first plants and animals appear on earth?
What is 550 million years ago?
This occurs when new species are formed
What is speciation
A reduction in genetic diversity due to a sudden reduction in the size of a population is known as
What is the bottleneck effect
Define homologous structures
What is anatomical features that are similar in structure but different in function.
What is the most accepted idea that explains the origin of life on earth?
What is that life started with a spark? (RNA World hypothesis)
This occurs when distantly related organisms become more alike because of their environment.
What is convergent evolution
When a few organisms colonize an area and future generations carry their genes is known as
What is the founder effect
Similarities between developmental patterns is known as
What is embryological evidence
Why is Charles Darwin credited with the Theory of Evolution?
What is because he was the first person to explain the mechanism that drives evolution
Geographic separation leading to the formation of new species is known as
What is allopatric speciation
What are three requirements for a change in a population to be considered natural selection?
What is variation, heritability, and reproductive advantage
These are structures that no longer serve a purpose, but hint towards a change over time in organisms.
What is vestigial structures?