Impact of Abiotic Limiting Factors on Organisms, Populations, and Communities

When space is limited in an ecosystem, how is a bird population most likely affected?

• competition decreases

• survival rate increases

• availability of food increases

• availability of nesting spots decreases

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following lists has ONLY abiotic factors? (i.e. A guppy is a fish and conductivity is the ability for metal to be heated.)

• algae, dissolved oxygen, nitrate concentration, pH

• sunlight, temperature, conductivity, dissolved oxygen

• sunlight, algae, pH, temperature

• dissolved oxygen, algae, guppy and crab

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NGSS.MS-LS2-3

Something that limits the size  of a population.

• maxfactor

• factor tree

• the x factor

• limiting factor

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is an EXAMPLE of a limiting factor?

• Water

• the color of the sky

• Migration

• Thick fur

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NGSS.MS-LS2-1

_{If the amount of food or resources available increases, the carrying capacity for an animal:}

• Stays the same

• Increases

• Decreases

• Fluctuates

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

The nonliving parts of an organisms habitat. (water, rocks, air, light)

• community

• habitat

• biotic factors

• abiotic factors

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NGSS.MS-LS2-3

An environmental factor that causes a population to stop growing or decrease in size. (food, water, climate, space, predators,etc.)

• predators

• human impact

• natural disasters

• limiting factors

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .

• Biotic Factors 

• Abiotic Factors 

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NGSS.MS-LS2-1

Which of the following is an example of an abiotic limiting factor affecting a fish population in a lake?

• A) Predation by larger fish

• B) Competition for food

• C) Water temperature

• D) Presence of aquatic plants

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NGSS.MS-LS2-4

NGSS.MS-LS1-5

How does a decrease in sunlight affect a forest ecosystem?

• A) Increases plant growth

• B) Decreases photosynthesis

• C) Increases animal population

• D) Decreases soil nutrients

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS1-6