WIS2552 EXAM 1 Questions With Verified
Answers
Pasteur did an experiment to show there was no spontaneous generation - answertrue
first period of the cenozoic - answertertiary
redi did an experiment to show that meat didnt produce maggots by process of -
answerspontaneous generation
fist homi...
Pasteur did an experiment to show there was no spontaneous generation - answer✔true
first period of the cenozoic - answer✔tertiary
redi did an experiment to show that meat didnt produce maggots by process of -
answer✔spontaneous generation
fist hominids appeared at end of - answer✔tertiary
bony fish evolved in the period if palezoic - answer✔ordovician
prokaryotic cells contain - answer✔rna
protenoid spheres could have evolved via - answer✔self assembly
stanley miller was able to produce synthetic - answer✔amino acids
first dinos appeared in the - answer✔triassic
period of first vascular plants - answer✔silurian
endosymbiosis theory argues small pro cells engulfed by - answer✔larger pro cells
multicellularity might have evolved by incomplete cell division - answer✔true
both mitochondria and chloroplasts have two membranes - answer✔true
site for aerobic respiration in eukaryotes - answer✔mitochondria
most scientists think the earth is - answer✔4.5 billion years old
carbon is stored mostly as fossil fuels, co2 and in - answer✔vegetation
ecological niche of a species may be based on - answer✔any of these
some nitrogen is fixed by lightning - answer✔true
conversion of n2 to nh3 is exergonic - answer✔false
ecological pyramids illustrate amount of at various trophic levels - answer✔biomass
in a food web animals are never - answer✔primary producers
tropics may habor mire species with narrower niches than temperate plants - answer✔true
many ecologists argue that ecological efficiencies are about - answer✔10%
denitrification is conversion of to n2 - answer✔no2
temperate species may tend to be more ecologically specialized than their tropical counterparts -
answer✔false
highly specialized for diet of apple snails - answer✔everglades kite
ammonia is a gas and has chemical formula - answer✔nh3
in photosynthesis co2 is converted to h20 and - answer✔sugars
symbiotic relationship between plant and Rhizobium is - answer✔mutualistic
most gaseous nitrogen in atmosphere exists in form of - answer✔n2
through evolutionary process, species may become increasingly adapted for narrower
environmental conditions and this can make them more rare - answer✔true
another name for primary producers - answer✔autotroph
lower part of atmosphere - answer✔troposphere
ecological pyramids were brain child of - answer✔charles elton
top predator in food chain is - answer✔tertiary consumer
Rhizobium is found in nodules in association with - answer✔legumes
greenhouse gas most affected by human activities - answer✔co2
plants take up inorganic nitrates and convert them to organic compounds - answer✔assimilation
plants take up water from soil and move it to atmosphere - answer✔transpiration
example of habit specialized species - answer✔cape sable seaside sparrow
water moves through soil to groundwater by process of - answer✔percolation
conversion of amino acids back to is called ammonification - answer✔nh3
energy in biological systems mostly exists in form of - answer✔atp
Rhizobium is an example of a that plays a role in nitrogen fixation - answer✔bacteria
conversion of ammonium ions to nitrates - answer✔nitrification
photosynthesis is essentially - answer✔carbon fixation
denitrification occurs only - answer✔when 02 is not available
in the mis-19th century people mostly believed that species were - answer✔immutable
darwin published "origin of species" in - answer✔1859
erectile feathers on the head are a sexually selected trait in - answer✔prairie chickens
darwin based his theory partly on observations of farm animals - answer✔true
not a tetrapod - answer✔sea lamprey
darwins theory of natural selection assumes that - answer✔individuals vary
darwin found fossils of at high elevations, suggesting that the Earth had changed over time -
answer✔marine invertebrates
it is now well known that places have fewer species - answer✔temperate zone
darwin argued that those individuals that were naturally selected - answer✔had more offspring
example of sexually selected trait in passerine birds - answer✔plumage dichromatism
mechanisms for sexual selection follow - answer✔2
species of deer in which both males and females have antlers - answer✔caribou
structures in different species such as the wings of insects and bats, are said to be analogous as
they - answer✔have different embryological origins
theory of "inheritance of acquired characteristics" was advanced by - answer✔lamarck
male sage grouse have as a sexually selected trait - answer✔colored air sacs
in the forearm of tetrapods, the radius is always paired with the - answer✔ulna
paclitaxel is used as an anti agent - answer✔cancer
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