Variation
Natural
Selection
Evidence of
Evolution
Classification
Miscellaneous
10
10
10
10
10
20
20
20
20
20
30
30
30
30
30
40
40
40
40
40
50
50
50
50
50
Category 1 questions follow
Question
This type of variation is passed on to offspring
Answer
Genetic Variation
Question
For the most part, genetic traits cannot be changed.
What is the exception to this rule?
Answer
Mutations
Question
Draw this normal distribution on your board.
Then, use a dotted line to draw a new distribution
with a larger standard deviation.
130
150
170
Height (cm)
190
Answer
130
150
170
Height (cm)
190
Question
SPEED ROUND!
First team to find the standard deviation of the following
set of data:
24, 32, 30, 44, 27, 28
Answer
6.99
Question
On the following distribution curve, label where the
MEAN, MEDIAN, and MODE approximately lie
Answer
Category 2 questions follow
Question
In order for natural selection to occur, the
environment must create a _______________ in a
species.
Answer
Struggle for existence / Need for survival
Question
This type of isolation is caused by differences in
courtship or other rituals that prevent two
organisms from producing offspring
Answer
Behavioral Isolation
Question
Which term is used to describe a group of organisms
that can breed and produce fertile offspring?
Answer
Species
Question
An organism’s fitness is determined by its ability to
_____________ and ______________.
Answer
Survive; Reproduce
Question
This type of natural selection occurs when one end
of the variation curve has stronger fitness than the
others.
Answer
Directional Selection
Category 3 questions follow
Question
Preserved remains or preserved evidence of an
organism
Answer
Fossil
Question
This method is used to estimate the age of fossils by
comparing the amounts of radioactive isotopes.
Answer
Radioactive Dating
Question
All life may have originated from a common
ancestor because all living things:
- Use enzymes for metabolic processes
- Use DNA has a genetic code
- Use _______ as molecular energy
Answer
ATP
Question
These non-functional structures show that the
species evolved to no longer need that structure.
Answer
Vestigial Structures
Question
Homologous structures and _____________
Evolution show how two organisms may have come
from the same ancestor.
Answer
Divergent
Category 4 questions follow
Question
Which two species are the most closely related?
Answer
Mouse and Chimpanzee
Question
What classification level falls between
Phylum and Order?
Answer
Class
Question
A phylogenic tree is also known as a ________.
Answer
Cladogram
Question
Organisms that share the same
( Phylum / Family / Order) are more closely related
Answer
Family
Question
All of the organisms at the top of a cladogram
represent______.
Answer
Modern species
Category 5 questions follow
Question
A supercontinent that existed 300 million years ago
Answer
Pangaea
Question
A single characteristic that allows an individual to
survive and reproduce in a specific environment
Answer
Adaptation
Question
When individuals at the middle of the curve
(surrounding the mean, medium, and mode) have a
higher fitness, the population experiences this type
of natural selection.
Answer
Stabilizing Selection
Question
Pine trees and cacti both have needle-like leaves to
conserve water. This demonstrates which type of
evolution?
Answer
Convergent Evolution
Question
Continuous variations are the result of these traits,
often controlled for by multiple genes
Answer
Polygenic traits