Mix1 1
Mix 2
Mix 3
Mix 4
Mix 5
100
Which photo shows evidence of tension having pulled an area of rock in opposite directions?
A. 
B. 
C. 
D. 
B
100
What type of plate boundary is shown in the diagram?
A. Convergent boundary
B. Divergent boundary
C. Transform boundary
D. Subduction boundary
C. Transform boundary
100
Which energy resource is nonrenewable?
A. Flowing water
B. Wind
C. Natural gas
D. Sunlight
Natural gas
100
Which event is an example of vegetative reproduction, a form of asexual reproduction, in plants?
A. Mosses form spores in capsules.
B. Sunflower plants produce seeds.
C. Pine trees produce seeds in cones.
D. Spider plants produce plantlets.
D. Spider plants produce plantlets.
100
A scientist crosses a plant with red flowers and a plant with white flowers. Each plant is pure for its trait for flower color.
If the gene for flower color shows codominance, what coloring will the flowers on the offspring plants have?
A. Pink only
B. White and red
C. Red only
D. White and pink
B. White and red
200
Based on the absolute dating of the rock layers in this photograph, what could a scientist conclude about a fossil found in area D?
A. It is younger than 1.4 million years old.
B. It is between 1.4 million and 2.1 million years old.
C. It is exactly 1.4 million years old.
D. It is older than 2.1 million years old.
D. It is older than 2.1 million years old.
200
In which region is there most likely to be a volcano?
A. A
B. B
C. C
D. D
D
200
In order to understand human impact on the environment, scientists need to monitor the levels of many substances.
Which substance should be monitored and controlled to help minimize the impact of human activity on air quality?
A. Water vapor
B. Ozone
C. Nitrogen
D. Oxygen
B. Ozone
200
Which term is associated with sexual reproduction but not asexual reproduction?
A. Fragmentation
B. Fertilization
C. One parent
D. Fission
B. Fertilization
200
The photo on the left shows an alligator hiding in swamp water. The photo on the right shows an alligator with a mutation for white skin.
What kind of effect is the mutation most likely to have on the alligator?
A. Harmful, because it will have a harder time staying clean
B. Neutral, because it will have an easier time staying warm
C. Harmful, because it will have a harder time sneaking up on its prey
D. Beneficial, because it will have an easier time finding a mate
C.
Harmful, because it will have a harder time sneaking up on its prey
300
What can scientists learn from radiometric dating?
A. Whether a fossil has modern relatives
B. How long ago a plant or animal lived
C. Where a plant or animal lived
D. How much time it took a fossil to form
B. How long ago a plant or animal lived
300
Producing bottled water requires far more natural resources than refilling a reusable bottle. Using bottled water also leads to more waste.
Which two types of natural resources are required to make bottled water?
- Living things
- Freshwater
- Metals
- Fossil fuels
- Freshwater
- Fossil fuels
300
How do body cells in multicellular organisms reproduce?
A. Through sexual reproduction
B. Through meiosis
C. Through mitotis
D. Through gamete fusion
C. Through mitotis
300
The diagram shows a model of how a hydra reproduces by budding.
Which two statements explain what this model shows?
- It shows asexual reproduction.
- It shows how genetic variation develops in offspring.
- It shows offspring that have the same genes as the parent.
- It shows sexual reproduction.
It shows asexual reproduction.
It shows offspring that have the same genes as the parent.
300
Which statement does not describe the relationship between genes and inherited traits?
A. Some inherited traits are affected by more than one gene.
B. Some genes influence more than one inherited trait.
C. Inherited traits carry the instructions for individual genes.
D. Individual genes carry the instructions for inherited traits.
C.
Inherited traits carry the instructions for individual genes.
400
Which two pieces of data would support the idea that Pangaea once existed?
- Fossils of one plant species found all over one continent
- Similar mountain formations in North America and Europe
- Animal fossils of one species found on four continents
- Markings from glaciers found in places currently covered in ice
- Similar mountain formations in North America and Europe
- Animal fossils of one species found on four continents
400
Which two pieces of data could indicate that a volcano is about to erupt?
- A change in the types of gas detected in the air
- An increase in temperature near Earth's surface
- A drop in average air temperature in one region
- A decrease in the ocean level near a mountain range
- A change in the types of gas detected in the air
- An increase in temperature near Earth's surface
400
Coal, oil (petroleum), and natural gas are used as fuel. The graph shows changes in the per capita consumption of these three natural resources since 1820.
What is the most likely result of this increased use of fossil fuels?
A. More greenhouse gases are released into the air.
B. More soil is eroded from farm fields.
C. More trees are removed from forests.
D. More phosphates are released into watersheds.
A. More greenhouse gases are released into the air.
400
The pedigree diagram shows how a dominant trait is inherited in a family. The red circle and squares show family members with the trait.
Based on the pedigree diagram, who must be heterozygous for the trait?
A. Both parents
B. Only one parent
C. The child with the trait
D. The child without the trait
A. Both parents
400
Which two limiting factors are major differences between a desert and a grassland?
- Range of temperatures
- Amount of sunlight
- Depth of soil
- Amount of water
- Depth of soil
- Amount of water
500
Which two statements describe how volcanic activity can affect Earth's crust?
- A volcano can suddenly get taller every time it erupts.
- Hot magma from inside Earth is released at weak points in the crust.
- Volcanoes are most likely to form near the center of tectonic plates.
- A volcanic mountain becomes smaller each time it erupts.
- A volcano can suddenly get taller every time it erupts.
- Hot magma from inside Earth is released at weak points in the crust.
500
Scientists hypothesize that a certain species of animal existed in the past. But fossils of the species have never been found. Which two statements could explain why?
- Minerals seeped into their bones.
- Their bodies contained radioactive atoms.
- Their bodies decomposed quickly.
- There were very few members of the species.
- Their bodies decomposed quickly.
- There were very few members of the species.
500
Which two changes could help a community reduce its use of fossil fuels?
- Installing wind turbines in the region's windiest area
- Giving citizens money to install solar panels on their homes
- Encouraging the construction of more suburbs away from the urban center
- Making coal cheaper for the community's power plant to use
- Installing wind turbines in the region's windiest area
- Giving citizens money to install solar panels on their homes
500
Which three processes do the cells of this plant perform as it changes from a seed to the young plant shown?
- They replace some of their DNA
- They take in nutrients.
- They increase in size.
- They increase in number.
- They take in nutrients.
- They increase in size.
- They increase in number.
500
What are two ways scientists use evidence of past environments preserved in rock?
- To confirm why each individual organism became a fossil
- To confirm whether an organism could have lived where its fossils are found
- To confirm that conditions in different places have changed
- To confirm which organisms are most closely related to each other
- To confirm whether an organism could have lived where its fossils are found
- To confirm that conditions in different places have changed