Natural Selection
Speciation
Cladograms/
Evolutionary Trees
Earth's History/ Evidence for Evolution
Beaks of Finches
100
The ability to survive and reproduce is known as this.
What is fitness?
100
This word describes a group of organisms that are capable of interbreeding and producing fertile offspring.
What is a species?
100
Cladograms/evolutionary trees are formed by comparing sequences of this molecule from different species.
What is DNA?
100
This type of life was the first to evolve.
What is single-celled?
100
In the Beaks of Finches lab, the different tools used represented ___________.
What is beak adaptations.
200
Natural selection states that individuals who survive are those who are better _________ to their environment.
What is adapted?
200
Two populations that do not interbreed do not share this type of information.
What is genetic information?
200
The root of a cladogram represents the _______________ of all the species in the diagram.
What is common ancestor?
200
Structures that are shared by related organisms and come from a common ancestor are called _____________________.
What are homologous structures.
200
This great 19th century naturalist first studied the Galapagos Island finches.
Who is Charles Darwin.
300
Traits can only be acted on by natural selection if they are _____________.
What is genetic or inherited?
300
These are the three methods of reproductive isolation.
What are behavioral isolation, geographic isolation, and temporal isolation?
300
In a cladogram, the point where one branch divides into two is known as this.
What is a node?
300
Earth is approximately this old.
What is 4.6 billion years?
300
The 13 species of finches in the Galapagos have such varied beak shapes because they are adapted to ______________?
What is eat different foods?
400
These are the two main sources of genetic variation in a species.
What are mutation and genetic recombination (in meiosis)?
400
The dewlap of anole lizards is an example of this type of reproductive isolation.
What is behavioral isolation?
400
Another name for a cladogram or evolutionary tree is ____________________.
What is phylogenetic tree?
400
Life first evolved in this part of the planet.
What is the ocean.
400
The Galapagos islands are an example of this type of reproductive isolation.
What is geographic isolation.
500
Natural selection differs from artificial selection, because in artificial selection this controls which individuals are able to reproduce.
What is humans?
500
This phrase describes all the genes present in the population of a species.
What is a gene pool?
500
Branches of a cladogram that end before the present represent this.
What is an extinct species?
500
The movement of continents is a result of this process.
What is plate tectonics.
500
Finches discriminate (or tell apart) members of their own species using these two methods.
What are song and appearance.
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