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Final Exam Review
Final Exam Review
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Questions
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Answers
1
What determines traits?
Genes from parents
Phenotype
duplication of parent cell
Parents wishes
2
In order for a recessive trait to be expressed, the genotype needs to be________.
Homozygous dominant
Heterozygous recessive
Heterozygous dominant
Homozygous recessive
3
What is the driving force of sea-floor spreading?
underwater canyon formation
colliding tectonic plates
earth's magnetic field
convection currents in the mantle
4
A chain of underwater mountains along which sea-floor spreading occurs is a(n)
subduction
sea-floor spreading
mid-ocean ridge
deep-ocean trench
5
"Pp" for purple flowers is the _______________.
Genotype
Phenotype
6
This allele is expressed no matter which other allele is in the pair
genotype
Dominant
Recessive
phenotype
7
An object that attracts other objects containing iron is a
Repel
attract
Rock
magnet
8
A process by which favorable traits tend to increase in frequency over time is called
Change over time
Evolution
Natural Selection
Variation
9
Gravitational force increases as mass
Decrease
Increase
stays the same
10
When a gene is Pp and we say the flowers are purple, we are describing the _________.
Both
Neither
Genotype
Phenotype
11
What geological structure is at point A
deep-ocean trench
subduction zone
mid-ocean ridge
a volcano
12
Force that pulls objects to Earth
gravity
magnetism
friction
weather
13
Which of the following is
not
a force?
Friction
Magnetism
Speed
Gravity
14
What geological structure is at point B
deep-ocean trench
subduction zone
a volcano
mid-ocean ridge
15
____ occurs when the environment changes and the adaptations hurt the species...
evolution
Isolation
extinction
natural selection
16
What type of inheritance pattern is shown in this cross?
Codominance
Polygenic traits
Multiple Alleles
Incomplete Dominance
17
The process that continually adds new material to the ocean floor is called
deep-ocean trench
subduction
sea-floor spreading
mid-ocean ridge
18
Organisms that have two identical alleles for a gene.
Homozygous
Heterozygous
Recessive
Dominant
19
Representing genes, these are the different forms:
Alleles
Genes
Parents
Offspring
20
Frank putts a golf ball on the ground.
Which of these causes the ball to slowdown and then stop?
Friction from the ground
The motion of the ball
A magnetic field
The speed of the ball
21
An organism's physical expression of the traits are its...
Phenotype
Genotype
alleles
genes
22
In which of the following activities would you want MORE friction?
Playing Hockey
Rollerblading
Playing Soccer
Painting Pictures
23
What
process
is occurring at the area marked with an X?
deep-ocean trench
mid-ocean ridge
a volcano
subduction
24
What is the number one goal of an organism?
Help others be better
Become famous
Learn about global warming
Survive and reproduce
25
Where does subduction occur?
down the middle of mountain ranges
at deep-ocean trenches
along the middle of some ocean floors
on continents
26
Which is not a cause for extinction?
failure to adapt to the environment
rapid environmental changes
introduction of a predator
variation in the population
27
What is gravity?
a magnetic force that is strongest at Earth’s poles
heat energy that comes from deep beneath Earth’s surface
the force that pulls all objects with mass toward one another
the force that pushes all objects toward Earth
28
The process where organisms with favorable adaptations are most likely to survive is called __
natural selection
Evolution
change over time
Speciation
29
In this Punnett Square, what percentage of offspring are heterozygous?
100%
25%
75%
50%
30
Which term best describes the genotype indicated by the ARROW?
Homozygous recessive
Heterozygous
All are correct
Homozygous dominant
31
The process of change over a period of time is called _____.
Adaptations
Selective Breeding
Natural Selection
Evolution
32
A cat has more gravitational attraction than a cow due to its mass.
True
False
33
Organisms that have two different alleles for a gene.
Recessive
Homozygous
Heterozygous
Dominant
34
What is the net force acting on this box?
3 net force units going down
9 net force units going to the right
6 net force units to the left
9 net force units going to left
35
What is an inherited trait that increases an organisms chance of surviving and reproducing?
Adaptation
Evolution
Variation
Natural Selection
36
According to
Darwin
, why did the Galapagos finches have
different
beaks?
Difference in defenses
Difference in feather color
Difference in flight
Feeding habits and diet
37
Force is a simple push or pull.
True
False
38
All magnets have a North Pole and a South Pole. Do the opposite poles attract or repel?
Attract
Repel
39
In this Punnett Square, what percentage of offspring are homozygous recessive?
75%
100%
25%
50%
40
Random _____ in genes produce variations of traits in a population.
Order
Natural Selection
Combination
Mutations
