Ecosystems Week 1

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

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NGSS.MS-LS2-3

Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.
• There would be less corn due to the mice eating it.
• The habitat would get overpopulated because the mice woudl eat too much.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

All the members of one species (organisms) that live within an area of an ecosystem is a?

• population
• community
• niche

Which of the following would have a negative impact on an ecosystem

• constructing highways
• planting trees
• recycling paper

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-3

An organism's ? is defined as the environment in which it lives.

• Habitat
• Niche
• Social Structure
• Ecology

A population of small fish and a population of small squids eat the same type of krill (a type of plant) in the same ecosystem. Krill is the main source of food for both the fish and squid. If the squid grows faster than the fish population, what will most likely happen to the fish population? 

• The fish population will stay the same size. 
• The fish population will start to grow faster. 
• The fish population will get smaller or even die out. 
• The fish population will start to eat more krill than the squids. 

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

The part of Earth where organisms can live.

• biotic factors
• biosphere
• ecology
• biology

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NGSS.MS-LS2-1

Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

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NGSS.MS-LS2-2

Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

Tags

NGSS.MS-LS2-3