Biology, 09.09.2021 19:20 upadrastakameswari
This scientist placed a lit candle and a plant under a transparent jar. After a while the candle went out. He left the candle and plant under the jar and tried to relight it after a while with a magnifying glass and the sun. It relit. He concluded that plants somehow change the composition of the air.
Who was this scientist?
Jan van Helmont
Jan Ingenhousz
John Woodward
Joseph Priestly
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In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
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Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?
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This scientist placed a lit candle and a plant under a transparent jar. After a while the candle wen...
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