The arctic hare in the picture is shown camouflaged in the snow from possible predators. However, when summer arrives, what trait(s) will allow this hare to avoid predators? 

• its long ears for keen hearing and fast hind legs
  
• the ability to eat lots of grass
  
• its relatively small size in comparison with predators 
• the thickness of its fur 

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NGSS.MS-LS1-5

NGSS.MS-LS4-4

In question #1, what would happen if the arctic hare did not have these specific traits? 

• The species would become overpopulated. 
• The chance of young hares surviving to adulthood and reproducing would be greatly diminished. 
• The hare would be a popular target for game hunters. 
• All of the above. 

Tags

NGSS.MS-LS1-4

NGSS.MS-LS1-5

NGSS.MS-LS4-4

In the graph below, what is a possible reason why the population of “gray” peppered moths in England changed? 

• Human pollution during the industrial revolution changed the moths’ natural habitat. 
• The number of predators increased. 
• The moths’ food source vanished. 
• The moths were unable to reproduce. 

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

The polar bear depends on sea ice in order to hunt for seals. If arctic temperatures increase, what is the long- term outlook for polar bears? 

• polar bear population will gradually increase
  
• polar bear population will gradually decrease 
• polar bear population will remain unchanged 
• polar bears will adapt quickly to new food sources 

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Jessie catches a fish with the following characteristics:
√Oval-shaped body
√No barbels
√Forked tail fin

This fish is most likely a:  

• catfish
  
• rainbow trout 
• bluegill 
• largemouth bass 

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NGSS.MS-LS4-2

What statement best completes the chart  

• greater variation in the genes of offspring makes them less susceptible to disease 
• allows for rapid reproduction in large numbers 
• genetic traits are likely to be an exact match of one the offspring’s parents, but not the other 
• provides the ecosystem with more consistency 

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NGSS.MS-LS3-2

The heart pumps blood to the lungs, allowing the blood to become oxygenated and then carrying the oxygen to the cells within the body. This describes a key interaction between what two body systems? 

• endocrine and skeletal systems 
• circulatory and respiratory systems 
• digestive and circulatory systems 
• nervous and respiratory systems 

Which of the following characteristics best describe the animal kingdom? 

• heterotrophic, prokaryotic, unicellular 
• autotrophic, eukaryotic, multicellular 
• heterotrophic, eukaryotic, multicellular 
• heterotrophic, prokaryotic, multicellular 

In the plant cell below, which arrow is pointed to the organelle that contains the genetic material for inherited traits? 

• Structure A 
• Structure B 
• Structure C 
• Structure E 

Tags

NGSS.MS-LS1-2

Cell theory does not include the idea that: 

• all living things are made of cells
  
• like cells carry similar functions
  
• cells use energy from food to sustain life 
• all cells in all the organisms of the same species carry the exact same genetic traits