Limiting Factors Quiz

What is the term for the maximum population size that an environment can sustain?

• Population limit

• Carrying capacity

• Biotic potential

• Growth rate

Answer explanation

The term 'carrying capacity' refers to the maximum population size that an environment can sustain based on available resources. It is a key concept in ecology, distinguishing it from terms like 'biotic potential' and 'growth rate'.

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What are abiotic factors?

• Living components that affect the population

• Non-living chemical and physical parts of the environment

• Birth and death rates

• Immigration and emigration

Answer explanation

Abiotic factors refer to the non-living chemical and physical parts of the environment, such as temperature, water, and minerals, which influence ecosystems and living organisms. This distinguishes them from biotic factors, which are living components.

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Which factor is considered when discussing biotic limiting factors?

• Wind

• Sunlight

• Competition with other organisms for food

• Rainfall

Answer explanation

Biotic limiting factors are biological influences on organisms, such as competition for food. Wind, sunlight, and rainfall are abiotic factors, which do not involve living organisms.

Tags

NGSS.MS-LS2-4

Does the amount of food that is needed DEPEND on the size of the population?

• Yes

• No

• Sometimes

• Never

Answer explanation

Yes, the amount of food needed does depend on the size of the population. A larger population requires more food to meet the nutritional needs of its members, while a smaller population requires less.

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Is this a density dependent or density independent limiting factor? Why?

• Density dependent, because it affects populations based on their size.

• Density independent, because it affects populations regardless of their size.

• Density dependent, because it only affects large populations.

• Density independent, because it only affects small populations.

Answer explanation

The correct choice is density independent, as it refers to factors that impact populations regardless of their size, such as natural disasters or climate changes, which do not vary with population density.

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Which factor is NOT a limiting factor?

• Amount of water

• Amount of food

• Amount of space

• Unlimited resources

Answer explanation

Unlimited resources are not a limiting factor because they imply that there is no restriction on availability. In contrast, water, food, and space can all limit growth and survival.

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What is the effect of an increase in death rate on a population?

• Increase in population size

• Decrease in population size

• No change in population size

• Increase in immigration

Answer explanation

An increase in the death rate leads to more individuals dying than being born, resulting in a decrease in population size. Therefore, the correct answer is 'Decrease in population size'.

Tags

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What is the main topic of the document?

• Visualize Population Dynamics

• Graphing Techniques

• Data Analysis

• Mathematical Calculations

Answer explanation

The document primarily focuses on how to visualize population dynamics, making it the main topic. While data analysis and graphing techniques are relevant, they serve to support the visualization of population changes.

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What is a biotic factor?

• Non-living chemical and physical parts of the environment

• Living components that affect the population

• Climate conditions

• Soil composition

Answer explanation

A biotic factor refers to living components, such as plants, animals, and microorganisms, that influence the population and ecosystem dynamics. This distinguishes it from abiotic factors, which are non-living elements.

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How does an increase in birth rate affect a population?

• Decrease in population size

• Increase in population size

• No change in population size

• Decrease in immigration

Answer explanation

An increase in birth rate leads to more individuals being born, which directly contributes to a larger population size. Therefore, the correct answer is 'Increase in population size'.

Tags

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