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1Which statement below is accurate?
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Answer: A plant's leaves capture sunlight to carry out photosynthesis.
The accurate statement is: "A plant's leaves capture sunlight to carry out photosynthesis." The remaining statements each contain an inaccuracy.
2How does a bird's hollow, lightweight bones most directly benefit the organism?
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Answer: help the bird fly by reducing overall body weight
A bird's hollow, lightweight bones help the bird fly by reducing overall body weight.
3What role does a(n) oak tree play in its ecosystem?
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Answer: producer
A(n) oak tree is a producer because it makes its own food through photosynthesis using sunlight.
4Magnets can attract or repel. Which word means to push away?
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Answer: repel
Repel means push away.
5Which statement below is accurate?
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Answer: A burning campfire is an example of thermal (heat) energy.
The accurate statement is: "A burning campfire is an example of thermal (heat) energy." The remaining statements each contain an inaccuracy.
6Which statement below is accurate?
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Answer: A shark's rows of sharp, replaceable teeth help the shark grip and tear prey effectively.
The accurate statement is: "A shark's rows of sharp, replaceable teeth help the shark grip and tear prey effectively." The remaining statements each contain an inaccuracy.
7Which sentence about decomposers is true?
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Answer: They help recycle nutrients back to the soil.
Decomposers are part of the web.
8Which liquid changes to a gas at room temperature fastest?