What is a trait shaped by natural selection that increases an organism's reproductive success?
Adaptation
100
What era do we live in today?
Cenozoic Era
100
What is any preserved evidence of an organism?
A fossil
100
This is a science that deals with the geographical distribution of animals and plants.
Biogeography
200
What was the name of the ship that Charles Darwin used to travel overseas?
HMS Beagle
200
________ is a measure of the relative contribution that an individual trait makes to the next generation.
Fitness
200
When did the Earth and Moon form?
4.6 billion years ago
200
Which law states that younger layers of rock are deposited on top of older layers?
Law of Superposition
200
______ speciation occurs when members of a population develop differences without geographic isolation.
Sympatric
300
In 1835, Charles Darwin traveled to the ______ to study organisms.
The Galapagos Islands
300
In _______, one species evolves to resemble another species.
Mimicry
300
This time scale is a record of Earth's history.
The Geologic Time Scale
300
This term is used to define cumulative changes in groups of organisms through time.
Evolution
300
In _______ speciation, a physical barrier divides one population into two or more populations.
Allopatric
400
What two organisms did Darwin study?
Finches and Tortoises
400
Some species have evolved morphological adaptations that allow them to blend in with their environments. This is called _______.
Camouflage
400
What two methods are used to determine the ages of rocks?
Relative Dating and Radiometric Dating
400
These type of traits are newly evolved features, such as feathers, that do not appear in the fossils of common ancestors.
Derived Traits
400
What book did Charles Darwin write?
"On the Origin of Species"
500
What theory did Charles Darwin develop that we still believe in today? (States that some competitors in the struggle for existence would be better equipped for survival than others, while those less equipped would die.)
Natural Selection
500
The California kingsnake and Western coral snake resemble each other. The Coral snake is extremely venomous, but the Kingsnake is completely harmless. What is this an example of?
Mimicry
500
In the space of just a few million years, the ancestors of most major animal groups diversified in what scientists call the _______.
The Cambrian Explosion
500
An early, pre-birth stage of an organism's development is a(n) ______.
Embryo
500
These are structures that have no function in organisms. (For example, the snake pelvis has no function because a snake has no legs.)