WIS2552 Exam 1 Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct

WIS2552 Exam 1 Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct First fungi evolved in ordovician conifers evolved in permian chloroplasts are found only in kingdom plantae false oparin did experiments in chemical evolution dna in the nuclei in eukaryotic cells is complexed with proteins pasteur bent necks of glass flasks to prevent from reaching water bacteria stanley milller combined methane and in water ammonia endosymbiosis theory argues a relationship between two cells mutualistic pasteur did an experiment to show there was no spontaneous generation true reids experiment involved denying access to meat flies some of pasteurs flasks are still on display today true pigment molecules are found in the chloroplasts first period of the cenozoic tertiary redi did an experiment to show that meat didnt produce maggots by process of spontaneous generation era broken into epochs cenozoic fist hominids appeared at end of tertiary bony fish evolved in the period if palezoic ordovician prokaryotic cells contain rna protenoid spheres could have evolved via self assembly stanley miller was able to produce synthetic amino acids first dinos appeared in the triassic period of first vascular plants silurian endosymbiosis theory argues small pro cells engulfed by larger pro cells multicellularity might have evolved by incomplete cell division true both mitochondria and chloroplasts have two membranes true site for aerobic respiration in eukaryotes mitochondria most scientists think the earth is 4.5 billion years old oparin converted nitro, oxy, and hydro to amino acids multicellularity might have evolved from coloniality true pleistocene epoch ended roughly 8000 years ago bacteria like dna found in eukaryotes mitochondria some ammonia is materialized as nh4+ carbon is stored mostly as fossil fuels, co2 and in vegetation ecological niche of a species may be based on any of these some nitrogen is fixed by lightning true conversion of n2 to nh3 is exergonic false rabbit an example of primary consumer ecological pyramids illustrate amount of at various trophic levels biomass in a food web animals are never primary producers tropics may habor mire species with narrower niches than temperate plants true many ecologists argue that ecological efficiencies are about 10% denitrification is conversion of to n2 no2 temperate species may tend to be more ecologically specialized than their tropical counterparts false highly specialized for diet of apple snails everglades kite ammonia is a gas and has chemical formula nh3 in photosynthesis co2 is converted to h20 and sugars symbiotic relationship between plant and Rhizobium is mutualistic northern mockingbirds were introduced successfully to hawaiian islands most gaseous nitrogen in atmosphere exists in form of n2 through evolutionary process, species may become increasingly adapted for narrower environmental conditions and this can make them more rare true another name for primary p