science check in 3 review

Which is an example of a single-celled organism? 

• amoeba 
• insect 
• insect 
• worm 

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NGSS.MS-LS1-1

Why do multicellular organisms need transport systems? 

• Most have cells that are not able to exchange gases with the outside environment.
• Most have cells that are unable to grow and survive in their environment. 
• Most have cells that need food from sources outside their environment. 
• Most have cells that require more energy to survive than single-celled organisms. 

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NGSS.MS-LS2-1

Which is a function of the cardiovascular system? 

• to move water throughout the body
• to provide structural support for the body 
• to eliminate waste from the body 
• to transport gases throughout the body 

Which body system sends electrical signals to all other body systems? 

• circulatory system 
• digestive system 
• muscular system 
• nervous system 

Which organism is a producer? 

• frog 
• mushroom 
• grass 
• lizard 

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NGSS.MS-LS2-3

Which is most responsible for recycling dead plants and animals in an ecosystem? 

• water 
• bacteria 
• fish
• insects

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How would the woodpecker population in a forest area most likely be affected if a housing development is built in that area?

• They would produce more offspring. 
• They would change the color of their feathers. 
• They would experience a decrease in available food. 
• They would experience a decrease in competition. 

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Matt is a tall, eleven-year-old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?

• his height 
• his scar on his right cheek 
• his intelligence 
• his ability to play the drums 

Which characteristic would a child not inherit from one or both of its parents? 

• freckles
• hair style
• eye color 
• dimples 

Which statement best describes a bacterial cell? 

• It contains more than one cell. 
• It is a complete organism. 
• It is part of a larger organism. 
• It contains different kinds of cells. 

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NGSS.MS-LS1-1