WIS 2552 Exam 1 2024 Questions and Answers Graded A+

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 miller 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 didn’t 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 Paleozoic - 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 producers - autotroph lower part of atmosphere - troposphere ecological pyramids were brain child of - charles elton top predator in food chain is - tertiary consumer Rhizobium is found in nodules in association with - legumes greenhouse gas most affected by human activities - co2 plants take up inorganic nitrates and convert them to organic compounds - assimilation plants take up water from soil and move it to atmosphere - transpiration example of habit specialized species - cape sable seaside sparrow water moves through soil to groundwater by process of - percolation conversion of amino acids back to is called ammonification - nh3 energy in biological systems mostly exists in form of - atp Rhizobium is an example of a that plays a role in nitrogen fixation - bacteria conversion of ammonium ions to nitrates - nitrification photosynthesis is essentially - carbon fixation denitrification occurs only - when 02 is not available according to theory of natural selection - more individuals of a species are born than can survive in the mis-19th century people mostly believed that species were - immutable darwin published "origin of species" in - 1859 erectile feathers on the head are a sexually selected trait in - prairie chickens darwin based his theory partly on observations of farm animals - true not a tetrapod - sea lamprey darwins theory of natural selection assumes that - individuals vary darwin found fossils of at high elevations, suggesting that the Earth had changed over time - marine invertebrates