Vocabulary
Earth’s History
Charles Darwin
Natural selection
Evidence of Evolution
Evolution in Action
Evidence of Evolution Earth’s History Charles Darwin Natural Selection Evolution in Action Vocabulary $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500
Process by which individuals better suited to their environment can survive and reproduce most successfully.
What is Natural Selection or Survival of the Fittest?
A long, slow change in organisms over long periods of time.
What is Evolution?
Any inherited trait or characteristic that increases an organism’s chances for survival.
What is Adaptation?
A sudden change in the sequence of DNA
What is a Mutation?
The combined genetic make-up of ALL the members of a population.
What is a Gene Pool?
Estimated age of the Earth
What is 4 billion years old?
This gas was missing from the early Earth atmosphere
What is oxygen (O2)?
Habitat for the first life forms on Earth
What are oceans and seas?
Besides UV radiation in the early atmosphere, this energy created simple amino acids
What is lightening or electricity?
These 2 scientist’s experiment simulated the atmosphere of early Earth & made amino acids
Who are Miller and Urey?
He traveled to the Galapagos Islands on the HMS Beagle and observed similar species suited to their particular environment.
Who is Charles Darwin?
He proposed that giraffes got their long necks from stretching them He proposed that giraffes got their long necks from stretching them. (the idea of use and disuse) Help give Darwin his idea
Who is Lamarck?
Islands studied by Charles Darwin
What are the Galapagos Islands?
Daily Double!!
The mechanism proposed by Darwin for evolutionary change
What is natural selection?
Darwin used this phrase for individuals competing with each other
What is the “struggle for existence” or survival of the fittest?
Individuals having different traits in a population
What is genetic variation?
Man responsible for this theory
Who is Charles Darwin?
Must be present for adaptation to happen in the population
What is environmental challenges?
In order to pass on traits, an individual must do this
What is reproduce?
A measure of an individual’s genetic contribution to the next generation
What is fitness?
Remains or traces of an organism that died long ago
What is a fossil?
Term that means that species of similar types are found on different continents
What is biogeography?
Two populations are separated by geographic barriers such as rivers, mountains, or other bodies of water.
What is Geographic Isolation?
Appendix in Humans Leg Bones in Whales
What are examples of Vestigial Structures?
Daily Double!!
The early stages of development in organisms in which there are many similarities among different species.
What is Embryology?
Galapagos tortoises and finches were similar to the finches and tortoises found here
What is the mainland of South America?
Scientists study this macromolecule to determine if organisms are related
What is DNA or nucleic acid?
Evolution in when species develop similar characteristics because of living in similar environments
What is convergent evolution?
Type of evolution in which organisms with similar structures develop from a common ancestor
What is divergent evolution?
When species evolve and spread out to fill all parts of an environment
What is adaptive radiation?
Final Jeopardy
Fossils
Technique used to determine the absolute age of a fossil
What is radiometric dating?