(Rs43) -science 10 Digital- "Biology" Chapter 3 Quiz
Questions on biology chapter 3
Questions and Answers
- 1.
These Species are named _____________ because they are the first to arrive and succesfully reproduce in an area.
- A.
Lichen
- B.
Pioneers
- C.
Natural Selection
- D.
Primary Succession
Correct Answer
B. PioneersExplanation
Pioneers are named as such because they are the first to arrive and successfully reproduce in an area. They are the initial species that colonize and establish themselves in a previously uninhabited or disturbed habitat. These species are able to tolerate harsh conditions and have adaptations that allow them to thrive in challenging environments. As pioneers begin to establish themselves, they create more favorable conditions for other species to follow, eventually leading to the development of a more diverse community through succession.Rate this question:
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- 2.
Primary Succession starts out with producers who break down dead organic matter to produce energy, where does soil for these plants come from?
- A.
Destruction of the surface that shifts around the earth
- B.
Soil arriving from other locations caused by wind and gravity
- C.
Wandering animals species that arrive and decompose
- D.
Lichens and other pioneer species that die and decompose
Correct Answer
D. Lichens and other pioneer species that die and decomposeExplanation
Lichens and other pioneer species that die and decompose provide the soil for plants in primary succession. These organisms are the first to colonize barren land and their decomposition contributes to the formation of organic matter in the soil. As they break down, they release nutrients that enrich the soil, making it suitable for the growth of other plants. Over time, the accumulation of organic matter from these pioneer species allows for the establishment of more complex plant communities in the area.Rate this question:
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- 3.
What can be considered as a Primary Succession?
- A.
Spores moving into a destroyed landscape to replant trees
- B.
A volcanic erupting and burning down a forest to create a new grassland
- C.
A flood shifting a large amount of earth (containing seeds and minerals) to move to an old forest
- D.
When the first new species learn to adapt in a new biome
Correct Answer
A. Spores moving into a destroyed landscape to replant treesExplanation
Primary succession refers to the process of colonization and establishment of plant and animal life in an area that was previously devoid of life, such as a barren landscape or a newly formed landmass. In this case, spores moving into a destroyed landscape to replant trees would be considered a primary succession. This is because the spores are the first organisms to colonize the area and initiate the process of ecological succession, leading to the establishment of a new community of plants and eventually other organisms.Rate this question:
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- 4.
Which one of the following effects is considered a natural succession
- A.
Drought
- B.
Deforestation
- C.
Forest Fire
- D.
Toxic Chemicals Brought Into Rivers
Correct Answer
A. DroughtExplanation
A drought is considered a natural succession because it is a natural process that occurs due to a lack of rainfall over an extended period of time. It leads to changes in the ecosystem, such as the drying up of rivers and lakes, loss of vegetation, and an increase in wildfires. Droughts are a part of the natural cycle of the Earth's climate and can have significant impacts on the environment and the organisms that depend on it.Rate this question:
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- 5.
What is not considered an effect of resource exploitation?
- A.
Habitat Loss
- B.
Contamination
- C.
Soil Degradation
- D.
Slower Decomposition
- E.
Extinction
Correct Answer
D. Slower DecompositionExplanation
Slower decomposition is not considered an effect of resource exploitation because resource exploitation typically refers to the extraction or use of natural resources such as minerals, forests, or water. Slower decomposition, on the other hand, is a natural process that occurs in ecosystems and is influenced by various factors such as temperature, moisture, and the presence of decomposers. While resource exploitation can have negative impacts on ecosystems, such as habitat loss, contamination, soil degradation, and extinction, it does not directly affect the rate of decomposition.Rate this question:
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- 6.
Is Soil Compaction considered a human action part of a sustainable ecosystem?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Soil compaction is not considered a human action part of a sustainable ecosystem. Soil compaction occurs when the soil is compressed, reducing pore space and limiting the movement of air, water, and nutrients within the soil. This can lead to decreased plant growth, reduced soil fertility, and increased runoff and erosion. While soil compaction can occur naturally through processes like rainfall and animal activity, it is often exacerbated by human activities such as heavy machinery use, construction, and intensive agriculture. Therefore, soil compaction is not beneficial for a sustainable ecosystem.Rate this question:
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- 7.
In the construction of a new bridge, the path for aquatic animals has been blocked due to this new object in the water. This effect can considered...
- A.
Habitat loss
- B.
Creating a Sustainable Ecosystem
- C.
Habitat Fragmentation
- D.
Ecosystem Fragmentation
Correct Answer
C. Habitat FragmentationExplanation
Habitat fragmentation refers to the breaking up of a continuous habitat into smaller, isolated patches. In the given scenario, the construction of the new bridge has created a barrier in the water, blocking the path for aquatic animals. This obstruction disrupts the connectivity of their habitat, leading to fragmentation. As a result, the aquatic animals are no longer able to freely move and access different parts of their habitat, which can have negative impacts on their population dynamics and overall ecosystem health.Rate this question:
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- 8.
What effect causes soil degradation?
- A.
Tsunami
- B.
Flood
- C.
Forest Fire
- D.
Deforestation
Correct Answer
D. DeforestationExplanation
Deforestation is the correct answer because it refers to the permanent removal of trees and vegetation from an area. This process leads to soil degradation as it exposes the soil to erosion, reduces its fertility, and disrupts the natural balance of nutrients. Without the protection and stability provided by trees, the soil becomes vulnerable to erosion caused by wind and water, leading to the loss of topsoil and degradation of soil quality. Deforestation also disrupts the water cycle, leading to reduced water retention and increased runoff, further contributing to soil degradation.Rate this question:
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- 9.
Cyanide is a deadly poison and small amounts can be fatal. What would be the most logical cause to find large amounts in a river?
- A.
A mine upstream from a pocket of water reached
- B.
A watermill that has caught certain dead organisms in it
- C.
Deforestation causing sick trees to fall into the river
- D.
Experimentation on piranhas that escape from a swimming pool
Correct Answer
A. A mine upstream from a pocket of water reachedExplanation
A mine upstream from a pocket of water could be the most logical cause to find large amounts of cyanide in a river. Mining operations often involve the use of cyanide to extract minerals, and if proper containment measures are not in place, cyanide can easily leak into nearby water sources. The cyanide from the mine could have reached the pocket of water through runoff or seepage, leading to the presence of large amounts of cyanide in the river. This would explain why the river contains a deadly poison like cyanide.Rate this question:
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- 10.
A paper industry is minimizing ecological damage and impact on the environment. Which means they are doing...
- A.
Reclamation
- B.
Resource Exploitation
- C.
Reforestation
- D.
Deforestation
Correct Answer
A. ReclamationExplanation
The correct answer is "Reclamation." Reclamation refers to the process of restoring land or resources that have been damaged or depleted. In the context of a paper industry, minimizing ecological damage and impact on the environment would involve reclaiming land, water, or other resources that have been affected by the industry's activities. This could include restoring habitats, improving water quality, or implementing sustainable practices to reduce environmental harm. Reclamation is a proactive approach that aims to restore and protect the environment while still allowing for industrial activities to take place.Rate this question:
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- 11.
Overexploitation can cause extreme long-term ecological damage such as...
- A.
Habitat Fragmentation
- B.
Cyanide in rivers
- C.
Secondary Succession
- D.
Disruption of a food web
Correct Answer
D. Disruption of a food webExplanation
Overexploitation refers to the excessive use or extraction of natural resources beyond their sustainable limits. This can lead to the depletion or extinction of certain species within an ecosystem, disrupting the delicate balance of the food web. When certain species are overexploited, their predators may suffer from a lack of food, causing a ripple effect throughout the entire food chain. This disruption can have severe ecological consequences, including population declines, loss of biodiversity, and altered ecosystem dynamics.Rate this question:
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- 12.
Sustainability refers to...
- A.
The ability of an ecosystem to sustain ecological processes
- B.
The length of time an ecosystem can survive
- C.
The amount of species that have successfully survived in an ecosystem
- D.
The destruction of an ecosystem due to long term effects
Correct Answer
A. The ability of an ecosystem to sustain ecological processesExplanation
Sustainability refers to the ability of an ecosystem to sustain ecological processes. This means that an ecosystem is able to maintain its functions and processes, such as nutrient cycling, energy flow, and biodiversity, over a long period of time. It implies that the ecosystem is able to support the organisms living within it, and that these organisms can continue to thrive and reproduce. Sustainability is important for the long-term health and stability of ecosystems, as well as for the well-being of human societies that depend on them.Rate this question:
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- 13.
What is considered an effect of reclamation?
- A.
Rare species of birds placed in zoos due to high chances of extinction
- B.
Reforestation from a small community after a forest has burnt down
- C.
Wheat is planted on a farmland by some farmers after many seasonal cycles
- D.
A mine site that replaces topsoil after it has been removed to place machinery
Correct Answer
D. A mine site that replaces topsoil after it has been removed to place machineryExplanation
Reclamation refers to the process of restoring or rehabilitating land that has been disturbed or damaged by human activities. In the given options, the only one that aligns with this definition is "A mine site that replaces topsoil after it has been removed to place machinery." When mining operations require the removal of topsoil to access minerals, reclamation involves replacing the topsoil and restoring the land to its original or a functional state. This helps to mitigate the environmental impact of mining activities and promote the recovery of the ecosystem.Rate this question:
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- 14.
When does an ecosysten have the largest amount of species?
- A.
Right after Primary Succession
- B.
During a Climax Community
- C.
Before a natural disaster
- D.
During Primary Succession
Correct Answer
B. During a Climax CommunityExplanation
During a climax community, an ecosystem has the largest amount of species. A climax community is the final and most stable stage of ecological succession, where the community is in balance and species diversity is at its peak. This is because over time, different species have colonized and established themselves in the ecosystem, creating a complex web of interactions and niches. This results in a high biodiversity and a wide variety of species coexisting in the ecosystem.Rate this question:
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- 15.
Which effect will most likely not cause Secondary Succession
- A.
Thunderstorm
- B.
Drought
- C.
Flood
- D.
Earthquale
Correct Answer
A. ThunderstormExplanation
Secondary succession occurs when an ecosystem is disturbed but the soil remains intact. Thunderstorms, although they can be intense and cause damage, do not typically result in significant changes to the soil or the removal of existing vegetation. On the other hand, drought, flood, and earthquake can all cause more severe disturbances that can lead to secondary succession. Drought can dry out the soil and kill off plants, floods can wash away existing vegetation, and earthquakes can cause landslides or disrupt the ecosystem. Therefore, thunderstorms are least likely to cause secondary succession compared to the other options.Rate this question:
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- 16.
What is the most essential for Secondary Succession to take place
- A.
Trees
- B.
Water
- C.
Soil
- D.
High enough temperature
Correct Answer
C. SoilExplanation
Soil is the most essential for Secondary Succession to take place. Soil provides the necessary nutrients and support for plant growth, allowing new vegetation to establish and grow. It also serves as a habitat for various organisms, such as bacteria and fungi, which play important roles in the breakdown of organic matter and nutrient cycling. Without soil, there would be no foundation for the development of a new ecosystem, making it a critical component for secondary succession.Rate this question:
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- 17.
Does primary succession happen the same way in any temperature, elevation in any area of the world?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Primary succession refers to the process of ecological succession that occurs in an area where no soil or organisms exist. It typically begins in barren landscapes such as newly formed volcanic islands or glacial retreats. The process involves the colonization of pioneer species, which gradually transform the environment and create conditions suitable for the establishment of more complex plant and animal communities. Although the specific species and timeline may vary depending on the temperature, elevation, and geographical location, the general process of primary succession remains the same regardless of these factors. Therefore, the statement that primary succession happens the same way in any temperature, elevation, and area of the world is true.Rate this question:
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- 18.
Find the answer that is arranged from smallest to biggest.
- A.
Ecosystem, Biome, Community, Population, Niche
- B.
Niche, Community, Population, Biome, Ecosystem
- C.
Nice, Community, Population, Ecosystem, Biome
- D.
Niche, Population, Community, Biome, Ecosystem
Correct Answer
D. Niche, Population, Community, Biome, EcosystemExplanation
The answer "Niche, Population, Community, Biome, Ecosystem" is arranged from smallest to biggest because it starts with niche, which refers to the specific role or position of an organism within its community. Next is population, which is a group of organisms of the same species living in the same area. Then comes community, which is a group of populations living and interacting in the same area. Biome is next, which is a large geographical area characterized by its distinct climate and vegetation. Lastly, ecosystem is the largest level of organization, encompassing all living organisms and their physical environment within a specific area.Rate this question:
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- 19.
A rare type of bird that has had its entire family live in the same biome for hundreds of years can be treated as a...
- A.
Introduced species
- B.
Non-native species
- C.
Native species
- D.
Invasive species
Correct Answer
C. Native speciesExplanation
The given correct answer is "Native species" because the rare type of bird mentioned in the question has been living in the same biome for hundreds of years. This indicates that the bird is naturally occurring in that particular habitat and is not introduced or non-native to the area. Therefore, it can be classified as a native species.Rate this question:
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- 20.
Which of the following characteristics would be found in an Introduced Species that was not claimed to be Invasive?
- A.
The introduced species weakens native species
- B.
The introduced species feeds on native species
- C.
The introduced species competes aggressively with native species for their food and shelter
- D.
The introduced species feeds on other introduced species
Correct Answer
D. The introduced species feeds on other introduced speciesExplanation
An introduced species that feeds on other introduced species would not necessarily be considered invasive because it is not directly impacting native species. Invasive species are known for causing harm to native species by outcompeting them for resources or directly preying on them. However, if an introduced species only feeds on other introduced species, it may not pose a significant threat to the native ecosystem.Rate this question:
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- 21.
When american bullfrogs were released in the wild after not being sold, they have become _________ species to their environment
- A.
Native
- B.
Invasive
- C.
Non-native
- D.
Introduced
Correct Answer
B. InvasiveExplanation
The correct answer is "invasive" because when American bullfrogs are released in the wild, they have a negative impact on the local ecosystem. They reproduce rapidly, compete with native species for resources, and can disrupt the natural balance of the environment. As a result, they are considered invasive species.Rate this question:
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- 22.
What is the greatest impact of the introduced and invasive European starlings?
- A.
They destroy habitats of native birds
- B.
They out-compete native birds for food and shelter
- C.
They carry bacteria spreading infections to other birds
- D.
They do not cause any change
Correct Answer
B. They out-compete native birds for food and shelterExplanation
European starlings are known for their aggressive behavior and ability to adapt to various environments. When they are introduced to new areas, they often out-compete native bird species for limited resources such as food and shelter. This can lead to a decline in populations of native birds, as the starlings dominate and take over their habitats. Therefore, the greatest impact of European starlings is their ability to out-compete native birds for food and shelter.Rate this question:
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- 23.
What does GOERT stand for?
- A.
Garry Oak Ecosystems Recovery Team
- B.
Garry Oak Ecology Recovery Team
- C.
Grand Oak Ecosystems Recovery Team
- D.
Garry Oak Ecosystems Reinforcement Team
Correct Answer
A. Garry Oak Ecosystems Recovery TeamExplanation
GOERT stands for Garry Oak Ecosystems Recovery Team. This team is dedicated to the restoration and conservation of Garry oak ecosystems, which are a unique and endangered habitat in North America. By focusing on recovery efforts, the team aims to protect and restore these ecosystems, ensuring the survival of the diverse plant and animal species that rely on them.Rate this question:
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- 24.
What is the main effect caused by the invasice species, Scotch Broom, on its environment?
- A.
It carries disease to all species that eat it
- B.
It introduces so much nitrogen into the soil that it poisons other native species
- C.
It takes up space for other plants to grow
- D.
It spreads many seeds to reproduce quickly around its environment
Correct Answer
B. It introduces so much nitrogen into the soil that it poisons other native speciesExplanation
Scotch Broom, an invasive species, introduces excessive amounts of nitrogen into the soil, which in turn poisons other native species. This is the main effect caused by Scotch Broom on its environment. The high levels of nitrogen disrupt the balance of nutrients in the soil, making it toxic for other plants to grow. As a result, the native species suffer and are unable to thrive in the presence of Scotch Broom.Rate this question:
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- 25.
Which of the following invasive species is not causing problems in the Garry Oak ecosystem?
- A.
The Gypsy Moth
- B.
The Grey Squirrel
- C.
Wild boars
- D.
Scotch Broom
Correct Answer
C. Wild boarsExplanation
Wild boars are not causing problems in the Garry Oak ecosystem because they are not present in that particular ecosystem. Invasive species are non-native species that can cause harm to the environment, economy, or human health. The Gypsy Moth, Grey Squirrel, and Scotch Broom are known to be invasive species that have negative impacts on the Garry Oak ecosystem, but wild boars are not causing problems in this specific ecosystem.Rate this question:
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- 26.
Where do floods occur?
- A.
Oceans
- B.
Lakes
- C.
Rivers
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Floods can occur in oceans, lakes, and rivers. Oceans can experience coastal flooding due to storm surges or tsunamis. Lakes can flood when there is excessive rainfall or when dams break. Rivers are prone to flooding when there is heavy rainfall, snowmelt, or when dams release water. Therefore, floods can happen in all of these water bodies.Rate this question:
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- 27.
When an invasive fungus species like blister rust affect a bird species such as the Clark’s nutcracker, the fungus weakens oak trees, whose seeds provide food for the nutcracker True or False?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
False. The statement suggests that when an invasive fungus species affects a bird species like the Clark's nutcracker, the fungus weakens oak trees, which provide food for the nutcracker. However, this is not true. Blister rust primarily affects whitebark pine trees, not oak trees. The nutcracker relies on the seeds of whitebark pine trees for food, not oak trees.Rate this question:
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- 28.
How does an invasive fungus species like blister rust affect a bird species such as the Clark’s nutcracker?
- A.
The nutcracker can also become infected by the fungus
- B.
The fungus is food for the hawks that eat the nutcrackers, making the hawks stronger and faster
- C.
The nutcracker nests in the whitebark pines that the fungus attacks
- D.
The fungus weakens whitebark pines, whose seeds provide food for the nutcracker
Correct Answer
D. The fungus weakens whitebark pines, whose seeds provide food for the nutcrackerExplanation
Blister rust is an invasive fungus that attacks whitebark pines, which are the nesting sites for Clark's nutcrackers. The fungus weakens the whitebark pines, affecting their ability to produce seeds. Since the seeds of whitebark pines are an important food source for nutcrackers, the weakening of the trees due to the fungus ultimately affects the availability of food for the nutcrackers.Rate this question:
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- 29.
In many cases, climate change has made many parts of Canada much more hospitable for foreign species to live in. What else has changed in the past 30 years that has made the threat of invasive species in Canada greater than it may have been in the past?
- A.
Fewer insect species currently live in Canada, allowing invasive species to thrive
- B.
Habitats in Canada have changed to resemble habitats in other parts of the world
- C.
Zoos and public parks introduce many new species, some of which become invasive
- D.
International travel allows species to be more easily introduced to our ecosystems
Correct Answer
D. International travel allows species to be more easily introduced to our ecosystemsExplanation
In the past 30 years, international travel has increased significantly, allowing for easier transportation of species to different ecosystems in Canada. This has increased the threat of invasive species as these introduced species may not have natural predators or competitors in their new environment, allowing them to thrive and outcompete native species. This is supported by the fact that climate change has already made many parts of Canada more hospitable for foreign species, further exacerbating the problem.Rate this question:
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