You are presented with the question "What do plants do from a void of moisture in the air?" and the following answer choices: - They may not survive. - Wither and die - live - Dehydration - work - hydrate their cells - protect them - Grow Now knowing that lack of moisture in the air causes low amounts of rainfall and plants wither and die for lack of rain, choose the best answer.
Wither and die
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You are presented with the question "What occurs in response to a change in the environment?" and the following answer choices: - relocation - sunlight - moonlight - artificial selection - ground to shake - Animal survival - natural selection - It helps them survive Now knowing that evolution occurs in response to a change in the environment and natural selection is the main mechanism of evolution, choose the best answer.
natural selection
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You are presented with the question "what requires sunlight for photosynthesis?" and the following answer choices: - roots - rice - sugar - caterpillars - humans - thermometer - ferns - trees Now knowing that aplant requires sunlight for photosynthesis and ferns are one type of seedless plant, choose the best answer.
ferns
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You are presented with the question "An electric car requires what to operate?" and the following answer choices: - radiation shielding - hydrogen and oxygen - electromagnetic energy - gasoline - direct energy - heat energy - a closed circuit - oxygen Now knowing that powering an electrical device with a battery requires a path for electricity to flow through a closed circuit and electric cars have big batteries instead of engines, choose the best answer.
a closed circuit
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