Ecology- Human Impact and Limiting Factors

Food, water, sunlight, shelter, and space are resources that are  __________.

• limiting factors
• wet
• messy
• found in rocks

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NGSS.MS-LS2-1

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

All members of one species in a certain area.

• Population
• Limiting Factors
• Immigration
• Birth Rate

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NGSS.MS-LS2-4

The largest number of organisms that the environment can support. 

• Carrying Capacity
• Limiting Factor

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What happens when an environment reaches its carrying capacity?

• Populations will decrease
• Resources such as food, water, and space will be unlimited
• Populations will increase
• Nothing, everything will stay the same.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

All the LIVING (biotic) PLUS the NON LIVING (abiotic) things in an area makes up the

• population

• community

• ecosystem

• organism

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Anywhere on Earth where life exists is collectively called the

• community

• ecosystem

• biome

• biosphere

Food is a limiting factor. What would happen to a snake population if all their food was killed off.

• the snake population would increase (go up)

• the snake population would stay the same

• the snake population would decrease

• there would be no change

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Carrying Capacity is the largest population an ecosystem can support. What is the carrying capacity of the species shown in this graph?

• 2000

• 100

• 200

• 50

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When a population grows past the ecosystem's carrying capacity, what will most likely happen to the population?

• continues to grow

• population will go extinct

• population starts to die and return to carrying capacity

• population continues to grow exponentially

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NGSS.MS-LS2-1

NGSS.MS-LS2-4