Origins of life Crossword

This printable crossword puzzle on the topic of Ecology & Evolution has 17 clues. Answers range from 8 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

belief that living things arose out of dead matter
belief that the origin of life was created by a “higher power”
One of the first major experiments that disproved spontaneous generation was conducted by
water, methane, ammonia, and hydrogen
scientists that conducted "primordial soup" experiment
hypothesis stating that the initial quality of life forms was a network of self-sustaining chemical reactions
hypothesis that states that iron-sulfide, a mineral catalyst, may encourage a series of chemical reactions when nearby deep-sea hydrothermal vents
create chemical gradients that provide energy and may have synthesized organic molecules and polymers
most recent common ancestor to life
hypothesis stating that organic molecules were the first to accumulate on earth, and amongst these molecules were adenine, guanine, uracil, thymine, cytosine, ribose, and deoxyribose
hypothesis stating that clay may have catalyzed the formation of RNA
collection of viewpoints that suggest that life arrived on earth from outer space
a campaign that claimed that educators should teach creationist views in conjunction with scientific theories
simple life started by utilizing a chemically complex environment
early self-sustained systems used whatever simple molecules were obtainable
scientist that proposed the “Iron-Sulphur World Hypothesis”
scientist that proposed the idea that RNA may have been the initial life molecule

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