WIS2552 Topics 1-8, WIS2552 EXAM 1 Qustions And Answers 100%Solved Rated A+
Multicellularity might have evolved from coloniality. - correct answer...true
Some of Pasteur's sterile water flasks are still on display today. - correct answer...True
Both mitochondria and chloroplasts have two m...
The endosymbiosis theory argues that small prokaryotic cells were engulfed by _____. -
correct answer...✔✔larger prokaryotic cells
The ____ era is broken down in Epochs. - correct answer...✔✔Cenozoic
Pasteur bent the slender necks of glass flasks to prevent _____ from reaching sterile
water. - correct answer...✔✔bacteria
The bony fish evolved in the _____ period of the Paleozoic. - correct answer...✔✔
Ordovician
Oparin converted elemental nitrogen, carbon, oxygen and hydrogen to ____. - correct
answer...✔✔amino acids
AGRADESOLUTIONS
,Francisco Redi did an experiment to show that meat did not produce maggots by the
process of ____. - correct answer...✔✔spontaneous generation
The conversion of N2 to NH3 is exergonic - correct answer...✔✔false
Denitrification occurs only ____. - correct answer...✔✔when O2 is not available.
Rhizobium is an example of a ____ that plays a role in nitrogen fixation. - correct
answer...✔✔bacteria
The lower part of the atmosphere is called the ____. - correct answer...✔✔
Troposphere
Some ammonia is mineralized as ______. - correct answer...✔✔NH4+
In a food web animals are never _____. - correct answer...✔✔primary producers
Ammonia is a gas and has the chemical formula ____. - correct answer...✔✔NH3
Through the evolutionary process, species may become increasingly adapted for
narrower environmental conditions and this can make them more rare. - correct
answer...✔✔true
In photosynthesis, CO2 is converted to ___ and H2O. - correct answer...✔✔sugars
Northern mockingbirds were introduced successfully to _____. - correct answer...✔✔
Hawaiian Islands
A top predator in a food chain is a ______. - correct answer...✔✔Tertiary consumer
Some nitrogen is fixed by the action of lightning. - correct answer...✔✔true
Denitrification is the conversion of the ____ to N2. - correct answer...✔✔NO2
Plants take up inorganic nitrates and convert them to organic compounds in a process
known as ____. - correct answer...✔✔assimilation
Carbon is stored mostly as fossil fuels, CO2 and in ____. - correct answer...✔✔
vegetation
Rhizobium is found in nodules in association with _____ plants. - correct answer...✔✔
legume
AGRADESOLUTIONS
, Many ecologists argue that ecological efficiencies are about ___%. - correct answer...✔
✔10
A rabbit is an example of a ______. - correct answer...✔✔primary consumer
Of the following ____ is the greenhouse gas most affected by human activities. - correct
answer...✔✔CO2
The conversion of amino acids back to ____ is called ammonification. - correct
answer...✔✔NH3
The symbiotic relationship between plant and Rhizobium is ___ in nature. - correct
answer...✔✔mutualisitc
Temperate species may tend to be more ecologically specialized than their tropical
counterparts. - correct answer...✔✔false
Photosynthesis is essentially _____. - correct answer...✔✔carbon fixation
Most of the gaseous nitrogen in the atmosphere exists in the form of ____. - correct
answer...✔✔N2
Energy in biological systems mostly exists in the form of ____ molecules. - correct
answer...✔✔ATP
The tropics may harbor more species with narrower niches than temperate species. -
correct answer...✔✔true
Water moves through soil to the groundwater by the process of ____. - correct answer...
✔✔percolation
The conversion of ammonium ions to nitrates is called _____. - correct answer...✔✔
nitrification
_____ is another name for primary producers. - correct answer...✔✔Autotroph
The ecological niche of a species may be based on _____. - correct answer...✔✔any
of these
The ____ is highly specialized for a diet of apple snails. - correct answer...✔✔
Everglades kite
The ____ was used as an example of a habitat-specilized species. - correct answer...✔
✔Cape Sable Seaside Sparrow
AGRADESOLUTIONS
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