NGSS.MS-LS2-1

What did the beak type of finches on different islands tell Darwin?

• Finch populations evolved over time to favor beaks based on food type
• Finch populations had not evolved over time
• The finch beaks had no relationship to the available food on the islands
• Humans artificially selected finches based on their desired beak type

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NGSS.MS-LS2-1

What would happen if their were no producers?

• Every population would grow larger

• Everything would die out

• The animals would make their own food

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NGSS.MS-LS2-1

What will happen if a factor that a species is dependent on decreases?

• The species will also decrease

• The species will increase

• nothing

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NGSS.MS-LS2-1

Ms. DiRocco’s class was trying to figure out which independent variable affect the height of a plant the MOST. Students were divided into 6 groups. Each group tested the effects of 1 independent variable. Plant height was measured and recorded on Day 1 and again on Day 20.

The table shows the average growth of each groups plants at the beginning and end of the experiment.

Which independent variable caused the most significant increase in plant growth by the end of the experiment?

• Fertilizer type

• Amount of water

• Effects of caffeine

• Size of container

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NGSS.MS-LS2-1

Which of the following limiting factors will most likely prevent further population growth within an ecosystem?

• excess water supply

• food supply to the area

• transportation availability

• recycling of human goods

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NGSS.MS-LS2-1

Look at the diagram of the food web. The arrows means “eaten by.”

What will happen if the number of snakes decreases (goes down)?

• The owl will eat the grass

• The number of frogs will go down

• The hawk and owl will have less food

• The number of mice and grasshoppers will go up.

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NGSS.MS-LS2-1

Two or more organisms seeking resources at the same time is

• population

• intraspecific competition

• ecosystem

• organism

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NGSS.MS-LS2-1

What would organisms in the same population possibly compete for?

• food and water

• territory

• mates

• all of the above

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NGSS.MS-LS2-1

It was concluded that the plant receiving fertilizer grew taller than the plant that did not receive fertilizer. Identify the correct step from the choices below.

• analyze and interpret data

• form a hypothesis

• make an observation

• draw conclusions

• communicate findings

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NGSS.MS-LS2-1

Giraffes long necks help them

• fight predators

• see farther

• eat leaves that other animals can't reach

• dance better

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NGSS.MS-LS2-1