Charles Darwin
Natural Selection
Data Analysis
Evolutionary Relationships
Genetics
100
Charles Darwin suggested species change over time, known as the Theory of ______.
Evolution
100
A trait or behavior that helps an animal survive is called a ________________.
adaptation
100
What should you do before answering a question with data/pictures?
Look at the parts of the data/pictures
100
What does this picture show?
Homologous structures/they are related
100
What is a random change to DNA called?
mutation
200
What islands did Darwin make his most famous observations?
Galapagos
200
What adaptation allows organisms to "blend" in to their environment?
camouflage
200
What happened to the frequency of this butterfly?
It decreased
200
Which organism has ONLY a backbone and lungs?
Salamander
200
What percentage of offspring would show the dominant trait?
75%
300
Darwin suggested plants and animals best adapted (most fit) survive and reproduce. This is known as ______________.
Natural Selection
300
Which species would adapt best? High genetic variety or low genetic variety?
High genetic variety
300
Which peppered moth would survive in this environment?
The darker moth
300
Are these related?
No, they are analogous.
300
A group of organisms that can interbreed and produce fertile offspring is a __________.
Species
400
What did Darwin conclude about neck length on the giant tortoises?
Long necks were adapted to eating taller food.
400
What would happen to a species if the environment were to change too quickly?
extinction
400
What does the dotted line represent in this graph?
The original population
400
Why do embryos look similar at certain stages of development?
They share a common ancestor/evolutionary relationship.
400
Which population would have the greatest genetic diversity? sexual or asexual reproduction?
sexual reproduction
500
What did Darwin discover about the finches on the Galapagos islands?
1. Shared a common ancestor.
2. Beaks were adapted to food sources.
500
What happened to the peppered moth when the forest became polluted?
Darker moths were camouflage.
500
When did scientists record the highest number of females finches?
1985
500
Describe how speciation happens.
1. A population is separated into two populations.
2. Overtime each individual population evolves through mutations and natural selection.
500
What is the chance of having green peas?
50%