13. When considering the evolution and diversification of life on earth, a genop

Question

13. When considering the evolution and diversification of life on earth, a genoppe reproduction gives an (number of chromosomes) combined with organism the greatest flexibility, or adaptive advantage, to pass genes on to future generations in changing environments. A. haploid, asexual C. haploid, asexual B. diploid, asexual D. diploid, sexual 14. One of the most important consequences of the "axygen revolution" for multi-cellular terrestrial emergence of an ozone layer protecting life from harmful UV radiation life: B. formation of red banded iron patterns in sediments to preserve fossils C drove many fish, trilobites and dinosaurs to extinction D. nspired emerging eukaryotes to "fight the power 15. Earth Systems Science and the Gaia hypothesis both agree that A. global climate is closely linked to the interaction between life forms and the B. C. D. Due to its heat storage and distribution capacity, atmosphere components of the earth system inextricably intertwined global feedback mechanisms between organisms and the environment help maintain boundary conditions within which life can be sustained all of the above - atmosphere, oceans, land, and living beings-are 16. is the major partner with the atmosphere in determining the physical climate system A. the ionosphere C. the desert B. D. the ocean none of the above 17. Cyanobacteria were the earliest photosynthetic organism capable of fixing carbon and releasing oxygen as a waste product. Cyanobacteria later became important as an endosymbiont (chloroplast) in: A. mitochondria C. flowering plants B. D. green algae both B and C

Explanation / Answer

13) d - diploid and sexual

14) a - emergence of an ozone layer protecting life from harmful uv radiation.ai

15) d -all of the above

16) b- ocean

17)a - mitochondria

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