Science Baseline Quiz Exam!
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Science The organism that a parasite lives in or on.
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Parasite
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Consumer
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Host
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About This Quiz
The 'Science Baseline Quiz Exam!' assesses understanding of ecological relationships and biological interactions. Questions cover topics such as parasitism, mutualism, and energy flow in ecosystems, essential for students of biology and environmental science.
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- 2.
An organism that obtains energy by feeding on other organisms.
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Consumer
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Prey
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Scavenger
Correct Answer
A. ConsumerExplanation
A consumer is an organism that obtains energy by feeding on other organisms. This means that it consumes and derives nutrients from other living organisms in order to survive and obtain the energy it needs. Consumers are an important part of the food chain as they help transfer energy from one organism to another. They can be herbivores, carnivores, or omnivores, depending on their diet. Unlike prey, which refers to the organism that is hunted and consumed by another organism, a consumer can actively seek out and consume other organisms for energy. A scavenger, on the other hand, primarily feeds on dead or decaying organisms.Rate this question:
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- 3.
An organism that is killed in the interaction.
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Predator
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Prey
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Producer
Correct Answer
A. PreyExplanation
The correct answer is prey. In an ecological interaction, the prey refers to the organism that is killed or consumed by another organism, known as the predator. Prey is typically a weaker or smaller organism that serves as a food source for the predator. This relationship is crucial for maintaining balance in ecosystems and regulating population sizes.Rate this question:
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- 4.
These are bumps that are on the roots of plants that contain bacteria.
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Decomposer
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Nodules
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Parasite
Correct Answer
A. NodulesExplanation
Nodules are bumps that form on the roots of plants and contain bacteria. These bacteria have a symbiotic relationship with the plant, as they are able to convert atmospheric nitrogen into a form that the plant can use for its growth and development. This process is known as nitrogen fixation. Therefore, nodules play a crucial role in the nitrogen cycle and help in enriching the soil with essential nutrients for the plant's survival.Rate this question:
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- 5.
A relationship in which one species benefits but the other species is not helped nor harmed.
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Parasitism
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Mutualism
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Commensalism
Correct Answer
A. CommensalismExplanation
Commensalism is a type of relationship where one species benefits while the other is neither helped nor harmed. In this relationship, one organism takes advantage of resources or shelter provided by another without affecting it positively or negatively. It is different from mutualism, where both species benefit, and parasitism, where one species benefits at the expense of the other. Therefore, commensalism is the correct answer as it describes a relationship where one species benefits while the other remains unaffected.Rate this question:
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- 6.
A relationship in which both species benefit.
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Competition
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Commensalism
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Mutualism
Correct Answer
A. MutualismExplanation
Mutualism refers to a relationship between two species in which both benefit. This type of relationship is characterized by cooperation and mutual dependence, where each species provides something of value to the other. Both species gain advantages from the interaction, such as access to resources, protection, or increased reproductive success. Mutualism is a positive and beneficial relationship, contrasting with competition, where species compete for limited resources, and commensalism, where one species benefits while the other is unaffected.Rate this question:
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- 7.
The pattern of overlapping food chains in an ecosystem.
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Food chain
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Food web
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Nitrogen fixation
Correct Answer
A. Food webExplanation
A food web is a more complex and realistic representation of the feeding relationships in an ecosystem compared to a food chain. It includes multiple interconnected food chains, showing the flow of energy and nutrients through various organisms. Each organism can have multiple predators and prey, resulting in a more accurate depiction of the complex interactions within an ecosystem. Nitrogen fixation, on the other hand, refers to the process by which nitrogen gas is converted into a usable form by certain bacteria and is not directly related to the pattern of overlapping food chains.Rate this question:
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- 8.
This is the act of disadvantage in two organisms fighting for food or a habitat.
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Symbiosis
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Competition
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Mutualism
Correct Answer
A. CompetitionExplanation
Competition refers to the act of disadvantage in two organisms fighting for food or a habitat. In this scenario, both organisms are vying for limited resources, which creates a competitive environment. This can lead to one organism gaining an advantage over the other, resulting in a disadvantage for the losing organism.Rate this question:
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- 9.
This is a consumer that only eats plants.
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Carnivore
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Herbivore
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Predator
Correct Answer
A. HerbivoreExplanation
This consumer is classified as a herbivore because it only eats plants. Herbivores are organisms that obtain their energy by consuming plant material. They do not consume meat or other animals. Therefore, the correct answer is herbivore.Rate this question:
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- 10.
This is the process of evaporation, condensation, and precipitation.
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Food chain
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Water cycle
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Natural selection
Correct Answer
A. Water cycleExplanation
The given correct answer is "water cycle." The process described in the question, involving evaporation, condensation, and precipitation, is known as the water cycle. This refers to the continuous movement and transformation of water on Earth, as it evaporates from bodies of water, condenses into clouds, and then falls back to the Earth's surface as precipitation. The water cycle is essential for maintaining the Earth's water supply and plays a crucial role in weather patterns and the distribution of water resources.Rate this question:
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- 11.
This is a carnivore that feeds on the bodies of dead organisms.
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Predator
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Scavenger
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Parasite
Correct Answer
A. ScavengerExplanation
A scavenger is an organism that feeds on the bodies of dead organisms. They play an important role in ecosystems by helping to clean up and recycle organic matter. Unlike predators, scavengers do not actively hunt and kill their prey. Instead, they rely on finding and consuming already dead organisms. This behavior allows scavengers to take advantage of a food source that would otherwise go to waste. Therefore, the correct answer for this question is scavenger.Rate this question:
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- 12.
This is an interaction in which one organism kills and eats another.
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Competition
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Predation
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Decomposer
Correct Answer
A. PredationExplanation
Predation refers to an interaction where one organism kills and consumes another organism. In this type of interaction, the predator benefits by obtaining food, while the prey is harmed or killed. This relationship is essential for maintaining balance in ecosystems as it helps control population sizes and prevents any one species from dominating. Predation is different from competition, which involves a struggle between organisms for limited resources, and decomposers, which break down dead organisms and organic matter.Rate this question:
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- 13.
This is the process by which organisms change and develop to become better suited to their environments.
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Natural selection
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Food chain
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Predation
Correct Answer
A. Natural selectionExplanation
Natural selection is the process by which organisms change and develop to become better suited to their environments. It is a fundamental mechanism of evolution, where individuals with advantageous traits are more likely to survive and reproduce, passing on their traits to future generations. Over time, this leads to the adaptation and improvement of species, as those with less favorable traits are less likely to survive and reproduce. Natural selection is driven by environmental factors and acts as a powerful force in shaping the diversity and complexity of life on Earth.Rate this question:
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- 14.
A close relationship between two species that benefits at least one of the species.
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Mutualism
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Symbiosis
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Competition
Correct Answer
A. SymbiosisExplanation
Symbiosis refers to a close relationship between two species that benefits at least one of the species. In symbiotic relationships, the species involved interact closely with each other, often relying on each other for survival or reproduction. This can include mutualistic relationships where both species benefit, as well as parasitic or commensal relationships where one species benefits at the expense or without affecting the other. Therefore, symbiosis is the correct answer as it encompasses a broader range of relationships compared to mutualism, which specifically refers to a mutually beneficial relationship.Rate this question:
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- 15.
The process of changing free nitrogen into a usable form of nitrogen.
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Nodules
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Nitrogen fixation
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Natural selection
Correct Answer
A. Nitrogen fixationExplanation
Nitrogen fixation refers to the process of converting free nitrogen into a form that can be utilized by organisms. This process is essential as nitrogen is a vital nutrient for plant growth and development. Nitrogen-fixing bacteria, found in the roots of certain plants or in the soil, play a crucial role in this process by converting atmospheric nitrogen into ammonia or other organic compounds that can be used by plants. This allows plants to obtain the necessary nitrogen they need for various biological processes. Therefore, nitrogen fixation is the correct answer as it accurately describes the process of converting free nitrogen into a usable form.Rate this question:
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- 16.
The process by which molecules of liquid water absorb energy and change to the gas state.
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Condensation
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Evaporation
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Precipitation
Correct Answer
A. EvaporationExplanation
Evaporation refers to the process in which molecules of liquid water absorb energy and change to the gas state. This occurs when the water molecules gain enough energy to overcome the intermolecular forces holding them together and escape into the air as water vapor. Evaporation is an important part of the water cycle and plays a crucial role in the Earth's climate system. It is responsible for the formation of clouds, as well as the cooling effect that occurs when sweat evaporates from our skin.Rate this question:
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- 17.
When heavy drops of the waterfall back to earth.
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Evaporation
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Condensation
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Precipitation
Correct Answer
A. PrecipitationExplanation
Precipitation refers to the process by which water in the atmosphere condenses and falls back to the Earth's surface in the form of rain, snow, sleet, or hail. In the given scenario, heavy drops of the waterfall falling back to the Earth can be considered as precipitation as it involves the water droplets condensing in the atmosphere and then precipitating down to the ground.Rate this question:
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- 18.
The process by which a gas changes to a liquid.
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Evaporation
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Condensation
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Nitrogen fixation
Correct Answer
A. CondensationExplanation
Condensation is the correct answer because it refers to the process in which a gas changes to a liquid. This occurs when the gas molecules lose energy and come together to form liquid droplets. It is the opposite of evaporation, where a liquid changes to a gas. Nitrogen fixation, on the other hand, is a biological process in which atmospheric nitrogen is converted into a form that plants can use.Rate this question:
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- 19.
This is a consumer that only eats animals/meat.
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Herbivore
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Carnivore
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Omnivore
Correct Answer
A. CarnivoreExplanation
The correct answer is carnivore because a carnivore is an organism that only eats animals or meat. This consumer specifically consumes animals, which aligns with the definition of a carnivore.Rate this question:
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- 20.
This is a diagram that shows the amount of energy that moves from one feeding level to another in a food web.
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Food chain
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Water cycle
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Energy pyramid
Correct Answer
A. Energy pyramidExplanation
An energy pyramid is a diagram that represents the flow of energy through different trophic levels in a food web. It shows the amount of energy that is transferred from one feeding level to another, with each level receiving less energy than the previous one. The pyramid shape represents the decrease in energy as you move up the trophic levels, with producers at the bottom having the most energy and top predators having the least. This diagram helps to visualize the energy flow and understand the importance of each level in maintaining the balance of an ecosystem.Rate this question:
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- 21.
A consumer that eats both plants and animals/meat.
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Herbivore
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Carnivore
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Omnivore
Correct Answer
A. OmnivoreExplanation
An omnivore is a consumer that eats both plants and animals/meat. This means that it has a diverse diet and can obtain nutrients from both plant-based and animal-based sources. Unlike herbivores, which only eat plants, and carnivores, which only eat meat, omnivores have the ability to digest and utilize nutrients from both types of food. This adaptability allows omnivores to thrive in a variety of environments and gives them more options for obtaining the necessary nutrients for survival.Rate this question:
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- 22.
This is an act of an organism living on or inside another organism and harming it.
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Parasitism
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Commensalism
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Mutualism
Correct Answer
A. ParasitismExplanation
Parasitism is the correct answer because it refers to the act of an organism living on or inside another organism and causing harm to it. In parasitism, one organism benefits (the parasite) while the other is harmed (the host). This relationship is characterized by the parasite relying on the host for resources and survival, often causing damage or even death to the host in the process.Rate this question:
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- 23.
This is an organism that breaks down wastes and dead organisms.
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Scavenger
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Decomposer
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Parasite
Correct Answer
A. DecomposerExplanation
A decomposer is an organism that breaks down wastes and dead organisms. They play a crucial role in the ecosystem by breaking down organic matter and releasing nutrients back into the environment. Decomposers, such as bacteria and fungi, break down dead plants and animals, recycling their nutrients and allowing them to be used by other organisms. They help in the decomposition process, which is essential for nutrient cycling and maintaining a healthy ecosystem.Rate this question:
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- 24.
An organism that makes its own food.
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Prey
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Decomposer
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Producer
Correct Answer
A. ProducerExplanation
A producer is an organism that is capable of synthesizing its own food through photosynthesis or chemosynthesis. This process allows producers to convert sunlight or inorganic compounds into organic molecules, such as glucose, which can be used as a source of energy. Therefore, a producer is an organism that can sustain itself and other organisms in the food chain by producing its own food.Rate this question:
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- 25.
This process results in the behaviors and physical characteristics of species that allow them to live successfully in their environments.
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Adaptation
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Predation
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Parasitism
Correct Answer
A. AdaptationExplanation
Adaptation refers to the process by which species develop behaviors and physical characteristics that enable them to survive and thrive in their specific environments. Through adaptation, organisms are able to adjust to their surroundings, obtain necessary resources, avoid predators, and reproduce successfully. This process is essential for species to ensure their survival and is a key factor in the diversity and complexity of life on Earth.Rate this question:
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- 26.
The organism that goes after and kills another.
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Prey
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Predator
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Host
Correct Answer
A. PredatorExplanation
A predator is an organism that hunts, kills, and feeds on another organism, known as the prey. Predators have adaptations that allow them to capture and consume their prey, such as sharp teeth, claws, or speed. They play a crucial role in maintaining the balance of ecosystems by controlling the population of prey species. In contrast, a host is an organism that provides shelter or nourishment to another organism, often a parasite. Therefore, the correct answer for the given question is predator.Rate this question:
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- 27.
What are the three types of interactions among organisms?
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Evaporation, condensation, precipitation
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Natural selection, mutualism, parasitism
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Competition, predation, symbiosis
Correct Answer
A. Competition, predation, symbiosisExplanation
Competition, predation, and symbiosis are three types of interactions among organisms. Competition occurs when organisms compete for limited resources, such as food or territory. Predation refers to the interaction where one organism, the predator, hunts and kills another organism, the prey. Symbiosis is a mutually beneficial relationship between two different species, where both organisms benefit from each other's presence. These three types of interactions play a crucial role in shaping ecosystems and determining the survival and success of different species.Rate this question:
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- 28.
What are the three types of symbiotic relationships?
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Competition, predation, symbiosis
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Mutualism, commensalism, parasitism
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Nitrogen fixation, water cycle, food cycle
Correct Answer
A. Mutualism, commensalism, parasitismExplanation
The correct answer is mutualism, commensalism, and parasitism. These three types of symbiotic relationships describe the interactions between different species. Mutualism refers to a relationship where both species benefit. Commensalism is when one species benefits while the other is unaffected. Parasitism involves one species benefiting at the expense of the other. These relationships are important in understanding how different species depend on each other for survival and resources.Rate this question:
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- 29.
What three processes form the water cycle?
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Condensation, evaporation, precipitation
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Mutualism, commensalism, parasitism
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Host, niche, prey
Correct Answer
A. Condensation, evaporation, precipitationExplanation
The water cycle is the continuous movement of water on, above, and below the Earth's surface. The three processes that form the water cycle are condensation, evaporation, and precipitation. Condensation occurs when water vapor cools and changes back into liquid form, forming clouds. Evaporation happens when water from bodies of water, plants, or soil turns into water vapor due to heat from the sun. Precipitation is the process where water droplets in the clouds combine and fall to the Earth's surface as rain, snow, sleet, or hail. These three processes work together to maintain the water balance on Earth.Rate this question:
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- 30.
Can free nitrogen in the atmosphere be used by most living things?
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Yes
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No
Correct Answer
A. NoExplanation
Most living things cannot use free nitrogen in the atmosphere because they lack the ability to convert atmospheric nitrogen into a usable form. Nitrogen fixation, the process of converting atmospheric nitrogen into a form that can be used by living organisms, is carried out by certain bacteria and some plants. These organisms have the necessary enzymes to break the strong triple bond between nitrogen atoms and convert nitrogen gas into ammonia or other compounds that can be used by living things.Rate this question:
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Mar 19, 2023Quiz Edited by
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Oct 06, 2019Quiz Created by
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