Population Size And Limiting Factor Test
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Part of an experiment in which no change is made
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Control
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Variable
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Abiotic
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The 'Population Size and Limiting Factor Test' assesses knowledge on ecological concepts, focusing on experimental design and population dynamics. It explores biotic and abiotic factors, controls, variables, and their impacts on population limits, crucial for students of biology and environmental science.
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- 2.
Nonliving - was never living
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Abiotic
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Experiment
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Reproductive potential
Correct Answer
A. AbioticExplanation
The term "abiotic" refers to nonliving factors or elements in an ecosystem. In this context, the answer "abiotic" is correct because it aligns with the given statement that "Nonliving - was never living." The term "abiotic" describes things that were never alive, such as rocks, water, and air, which play a crucial role in shaping the environment but do not possess the ability to reproduce or have reproductive potential.Rate this question:
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- 3.
The factor that is changed in an experiment to see its effect.
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Control
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Variable
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Biotic
Correct Answer
A. VariableExplanation
In an experiment, the factor that is changed is called the variable. This is done in order to observe and analyze the effect of that particular factor on the outcome of the experiment. By manipulating the variable, scientists can determine its impact and draw conclusions about cause and effect relationships. The variable is an essential component of experimental design as it allows researchers to test hypotheses and gain a better understanding of the phenomenon being studied.Rate this question:
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- 4.
Living or product of a living organism
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Biotic
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Abiotic
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Reproductive potential
Correct Answer
A. BioticExplanation
The term "biotic" refers to living organisms or products that are derived from living organisms. This includes plants, animals, and microorganisms. It is the opposite of "abiotic," which refers to non-living things such as rocks, water, and air. "Reproductive potential" is not related to the concept of biotic and abiotic.Rate this question:
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- 5.
Rate at which species increases its population
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Limiting factor
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Reproductive potential
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Experiment
Correct Answer
A. Reproductive potentialExplanation
Reproductive potential refers to the maximum rate at which a species can increase its population. It is a measure of the species' ability to reproduce and produce offspring. This factor is important in determining the growth and sustainability of a population. The reproductive potential is influenced by various factors such as the number of offspring produced, the age at which reproduction begins, and the frequency of reproduction. By understanding the reproductive potential of a species, scientists can better predict and manage population growth and understand the impact of limiting factors on population dynamics.Rate this question:
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- 6.
Any biotic or abiotic factor that acts in some way to limit a population
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Reproductive potential
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Experiment
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Limiting factor
Correct Answer
A. Limiting factorExplanation
A limiting factor refers to any biotic or abiotic factor that restricts the growth or size of a population. These factors can include availability of resources like food, water, or shelter, as well as predation, disease, or competition. They act as constraints on the reproductive potential of a population, preventing it from reaching its maximum capacity. By imposing limitations, limiting factors help maintain balance in ecosystems and prevent overpopulation.Rate this question:
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- 7.
What variable was tested in the milkweed bug limited experiment that was graphed in class
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Temperature
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Humidity
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Volume of space
Correct Answer
A. Volume of spaceExplanation
In the milkweed bug limited experiment, the variable that was tested and graphed in class was the volume of space. This means that the researchers manipulated and measured the amount of space available to the milkweed bugs in order to observe any effects on their behavior, growth, or survival. By graphing the data, they could visually analyze any patterns or trends that emerged in relation to the volume of space provided.Rate this question:
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- 8.
Use your knowledge of limiting factors to answer the following questions.a. A natural area had a population of deer. What 4 factors would you need to know about the deer in order to calculate their reproductive potential?
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How many offspring do deer have in a lifetime?
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How often do deer have offspring?
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How many males and females are there in a deer population?
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How large do deer grow?
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How long do deer normally live?
Correct Answer(s)
A. How many offspring do deer have in a lifetime?
A. How often do deer have offspring?
A. How many males and females are there in a deer population?
A. How long do deer normally live?Explanation
To calculate the reproductive potential of deer, we need to know the number of offspring they have in a lifetime, the frequency at which they reproduce, the ratio of males to females in the population, and the average lifespan of deer. This information will help determine the rate at which the population can grow and sustain itself.Rate this question:
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- 9.
What abiotic factors might also act as limiting factors for the deer?3 answers are correct
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Wind
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Predators
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Temperature
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Poison
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Finding a mate
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Insects
Correct Answer(s)
A. Wind
A. Temperature
A. PoisonExplanation
Abiotic factors are non-living components of an ecosystem that can affect the survival and reproduction of organisms. In this case, wind can act as a limiting factor for deer as strong winds can make it difficult for them to move and find food. Temperature is also a limiting factor as extreme heat or cold can cause stress or even death for deer. Poison, such as toxic plants or pollutants, can also limit the population of deer by causing illness or death.Rate this question:
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- 10.
It is important to change only one variable at a time during an experiment.
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True
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False
Correct Answer
A. TrueExplanation
Changing only one variable at a time during an experiment is important because it allows for a clear understanding of the cause and effect relationship between the variable being tested and the outcome. By changing multiple variables simultaneously, it becomes difficult to determine which variable is responsible for the observed changes. This approach ensures that any changes in the outcome can be attributed to the specific variable being tested, increasing the reliability and accuracy of the experiment.Rate this question:
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- 11.
You should never have a control in an experiment.
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True
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False
Correct Answer
A. FalseExplanation
In an experiment, it is essential to have a control group to compare the results with the experimental group. The control group serves as a baseline and is not exposed to the independent variable being tested. By having a control group, researchers can determine if any observed effects are a result of the independent variable or other factors. Therefore, it is incorrect to say that you should never have a control in an experiment.Rate this question:
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- 12.
Mountain lions act as a limiting factor to deer for what reason?
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Mountain lions can live longer than deer
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Mountain lions can grow bigger than deer in size
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Lions could eat the deer and offspring
Correct Answer
A. Lions could eat the deer and offspringExplanation
Mountain lions act as a limiting factor to deer because they can prey on both adult deer and their offspring. This creates a natural balance in the ecosystem by controlling the population of deer, preventing overgrazing and ensuring the survival of other plant and animal species that depend on the same resources. By hunting deer, mountain lions help maintain a healthy and sustainable ecosystem.Rate this question:
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- 13.
What abiotic factor could also affect the deer?
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Finding a mate
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Having more than 2 offspring or babies
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Temperature
Correct Answer
A. TemperatureExplanation
Temperature is an abiotic factor that can affect the deer. Temperature plays a crucial role in the survival and behavior of animals, including deer. Extreme temperatures can impact their ability to regulate body temperature, find food, and access water sources. It can also affect their reproductive cycle, as temperature changes can influence mating patterns and fertility. Therefore, temperature is an important abiotic factor that can have a significant impact on the deer population.Rate this question:
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- 14.
If mountain lions were removed from this park what would be a benefit?
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The deer population might grow uncontrollably
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Mountain lions would not encounter humans and their pets
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The deer could eat all of the vegetation causing erosion
Correct Answer
A. Mountain lions would not encounter humans and their petsExplanation
If mountain lions were removed from the park, it would benefit humans and their pets as the mountain lions would no longer pose a threat to them. Without the presence of mountain lions, humans and their pets would be able to explore the park without the fear of encountering these predators.Rate this question:
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- 15.
Algae is an example of a
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Consumer
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Decomposer
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Producer
Correct Answer
A. ProducerExplanation
Algae is considered an example of a producer because it is capable of photosynthesis, which means it can convert sunlight into energy and synthesize its own food. Producers are organisms that produce organic compounds and are at the base of the food chain. Algae, being photosynthetic organisms, are able to produce their own food and are an important source of energy for other organisms in the ecosystem.Rate this question:
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- 16.
Frogs are examples of
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Consumers
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Producers
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Decomposers
Correct Answer
A. ConsumersExplanation
Frogs are examples of consumers because they obtain their energy by consuming other organisms. As predators, frogs feed on insects, small mammals, and other small creatures. They do not produce their own food like plants do (producers) and they do not break down organic matter (decomposers). Therefore, frogs fit the definition of consumers as they rely on consuming other organisms for their energy and nutrients.Rate this question:
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- 17.
Bacteria are examples of
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Decomposers
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Producers
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Consumers
Correct Answer
A. DecomposersExplanation
Bacteria are examples of decomposers because they play a crucial role in breaking down dead organic matter into simpler substances. They release enzymes that break down complex molecules, such as proteins and carbohydrates, into smaller molecules that can be absorbed by other organisms. By decomposing dead plants and animals, bacteria recycle nutrients back into the ecosystem, making them essential for the nutrient cycling process.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Dec 05, 2010Quiz Created by
Pietros
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