Evolution
Natural Selection
Speciation & Isolation
Evidence for Evolution
Cladograms
100
the change in populations over time
evolution
100
The survival and reproduction of the organisms that are genetically best fit for their environment is known as...
Natural Selection
100
The formation of a new species is called...
Speciation
100
Name the 5 pieces of evidence to support the theory of evolution
fossil record, homologous body structures, embryology, molecular (DNA)
100
True or False: Individual organisms can evolve.
FALSE
200
A well supported collection of hypotheses that can be used to explain the natural world
theory
200
In evolution, being "fit" means...
that an organism is able to survive and reproduce in its environment.
200
The physical separation of members of the same population is...
geographic isolation
200
This diagram depicts what type of structures?
homologous structures
200
What does a cladogram show?
evolutionary relationships among different organisms / who is more closely related to who
300
Scientist who devised the theory of evolution by means of natural selection
Charles Darwin
300
There are limited resources and not all offspring will survive. This results in...
struggle for existence
300
A population of finches share a common ancestor but are now different species. This is an example of what type of evolution?
divergent evolution
300
Body parts that share a common function but have a different structure
analogous structure
300
Is the tuna more closely related to the lamprey or the salamander?
salamander
400
Scientist who suggested that using or not using certain body structures would result in their evolution
Lamarck
400
Humans have carefully bred fancy carrier pigeons. This is an example of what type of selection?
Artificial selection
400
two organisms are members of the same species if...
they can mate and produce fertile offspring
400
Based on the DNA below, which two organisms are more closely related?
Organisms 2 and 3
400
Which letter represents the most recent common ancestor of the leopard and the salamander?
D
500
Evolution can only occur if this is involved.
(genetic) variation
500
Who is more fit, a 100 year old duck with no babies or a 2 year old duck with 100 babies?
2 year old with 100 babies
500
Evolution that starts with different organisms but results in species that look similar is....
convergent evolution
500
Leg bones in ancient fossils of snakes would be an example of...
vestigial structures
500
What new trait arose in the common ancestor of the turtle and leopard?
amniotic egg