Questions and CORRECT Answers
pasteur did an experiment to show there was no spontaneous generation - CORRECT
ANSWER - true
first period of the cenozoic - CORRECT ANSWER - tertiary
redi did an experiment to show that meat didnt produce maggots by process of - CORRECT
ANSWER - spontaneous generation
fist hominids appeared at end of - CORRECT ANSWER - tertiary
bony fish evolved in the period if palezoic - CORRECT ANSWER - ordovician
prokaryotic cells contain - CORRECT ANSWER - rna
protenoid spheres could have evolved via - CORRECT ANSWER - self assembly
stanley miller was able to produce synthetic - CORRECT ANSWER - amino acids
first dinos appeared in the - CORRECT ANSWER - triassic
period of first vascular plants - CORRECT ANSWER - silurian
endosymbiosis theory argues small pro cells engulfed by - CORRECT ANSWER - larger
pro cells
,multicellularity might have evolved by incomplete cell division - CORRECT ANSWER -
true
both mitochondria and chloroplasts have two membranes - CORRECT ANSWER - true
site for aerobic respiration in eukaryotes - CORRECT ANSWER - mitochondria
most scientists think the earth is - CORRECT ANSWER - 4.5 billion years old
carbon is stored mostly as fossil fuels, co2 and in - CORRECT ANSWER - vegetation
ecological niche of a species may be based on - CORRECT ANSWER - any of these
some nitrogen is fixed by lightning - CORRECT ANSWER - true
conversion of n2 to nh3 is exergonic - CORRECT ANSWER - false
rabbit an example of - CORRECT ANSWER - primary consumer
ecological pyramids illustrate amount of at various trophic levels - CORRECT ANSWER -
biomass
in a food web animals are never - CORRECT ANSWER - primary producers
tropics may habor mire species with narrower niches than temperate plants - CORRECT
ANSWER - true
many ecologists argue that ecological efficiencies are about - CORRECT ANSWER - 10%
,denitrification is conversion of to n2 - CORRECT ANSWER - no2
temperate species may tend to be more ecologically specialized than their tropical counterparts -
CORRECT ANSWER - false
highly specialized for diet of apple snails - CORRECT ANSWER - everglades kite
ammonia is a gas and has chemical formula - CORRECT ANSWER - nh3
in photosynthesis co2 is converted to h20 and - CORRECT ANSWER - sugars
symbiotic relationship between plant and Rhizobium is - CORRECT ANSWER -
mutualistic
most gaseous nitrogen in atmosphere exists in form of - CORRECT ANSWER - n2
through evolutionary process, species may become increasingly adapted for narrower
environmental conditions and this can make them more rare - CORRECT ANSWER - true
another name for primary producers - CORRECT ANSWER - autotroph
lower part of atmosphere - CORRECT ANSWER - troposphere
ecological pyramids were brain child of - CORRECT ANSWER - charles elton
top predator in food chain is - CORRECT ANSWER - tertiary consumer
, Rhizobium is found in nodules in association with - CORRECT ANSWER - legumes
greenhouse gas most affected by human activities - CORRECT ANSWER - co2
plants take up inorganic nitrates and convert them to organic compounds - CORRECT
ANSWER - assimilation
plants take up water from soil and move it to atmosphere - CORRECT ANSWER -
transpiration
example of habit specialized species - CORRECT ANSWER - cape sable seaside sparrow
water moves through soil to groundwater by process of - CORRECT ANSWER -
percolation
conversion of amino acids back to is called ammonification - CORRECT ANSWER - nh3
energy in biological systems mostly exists in form of - CORRECT ANSWER - atp
Rhizobium is an example of a that plays a role in nitrogen fixation - CORRECT
ANSWER - bacteria
conversion of ammonium ions to nitrates - CORRECT ANSWER - nitrification
photosynthesis is essentially - CORRECT ANSWER - carbon fixation
denitrification occurs only - CORRECT ANSWER - when 02 is not available