Beaks of Finches
How to Study Evolution
Theories
Modern
Random
100
The "tools" represent
Beaks
100
More Accurate Molecular of Structural Evidence?
Molecular
100
Lamark said you can acquire a trait because of ____________ (not true)
Need
100
Darwin could NOT Explain
Variations
100
Name 2 Finches that may compete for food
Many answers
200
What was the "Variation" ?
Beaks (tools)
200
The oldest fossils are located here
Lower Layers
200
If a species CANNOT adapt to a changing environment this occurs
Extinction
200
Name 2 ways Variations occur
Mutations, Sexual Reproduction (Recombination), Crossing Over
200
Name 2 Finches that would not compete for food and explain why
many answers
300
all the beaks eating out of 1 Bowl Represents
Competition
300
An example of molecular evidence
DNA, Proteins, enzymes...
300
What a species needs to adapt to a changing environment
Variations
300
A characteristic that makes an organism well suited to the environment
Adaptation
300
Age of Earth
4.5 Billion
400
How can 2 different Finches live in the same area?
They eat different food
400
Who is more closely related? D&E or D&F and explain
D&E have less common ancestors
400
____________ ______________is a term for the Survival of organisms genetically best adapted to the environment (Darwin)
Natural Selection
400
Which evidence (molecular or structural) is better to use to study evolution? Explain why and give an example of how your evidence is used
Molecular is more accurate (precise)
Comparative DNA, Amino Acids, Proteins, Enzymes>>>
400
D to E
500
An Organisms ROLE in the environment
Niche
500
Name an extinct organism and who is the common ancestor to all?
C and B
A
500
When 2 groups of organisms are separated for millions of years and can no longer interbreed, they can become seperate ____________
Species
500
Explain how antibiotic resistant bacteria is increasing in frequency
Mutants, survive, reproduce, and pass on resistant gene to offspring
500
1st organisms on earth (Name 2/3 characteristics)
Heterotrophs
Anerobes
Unicellular