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BIOL 152 FINAL PRACTICE EXAM STUDY QUESTIONS AND ANSWERS COMPLETE LATEST UPDATED A+ GRADED.
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BIOL 152 FINAL PRACTICE EXAM STUDY QUESTIONS AND ANSWERS COMPLETE LATEST UPDATED A+ GRADED.
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BIOL 152 FINAL PRACTICE EXAM STUDYQUESTIONS AND ANSWERS COMPLETE
LATEST UPDATED A+ GRADED.
What is the most significant contribution to global ecology that is
presented by heterotrophic bacteria?
Correct Answer -recycle nutrients
Which of the following is the most important difference between aquatic
and terrestrial food webs.
Correct Answer -aquatic primary producers are algae
What are two ecological roles of diatoms and dinoflagellates in the
biosphere?
Correct Answer -food webs and produce oxygen
Within aquatic food webs, the most abundant primary consumers are
_______; and in terrestrial food webs they are ___________.
Correct Answer -copepods: insects
Within aquatic food webs, the most abundant primary producers are
_______; and in terrestrial food webs they are ___________.
Correct Answer -algae: plants
Predator that strongly influences community structure
Correct Answer -keystone
,Isolated food chains are rare but can be found in the following
ecosystems.
Correct Answer -coral reefs and rainforests
All the following would be adaptations to enhance predation except:
Correct Answer -raptorial structures
Approximate transfer rate of energy from one trophic level to the next.
Correct Answer -10%
For most terrestrial ecosystems, pyramids of numbers, biomass, and
energy are essentially the same: they have a broad base and a narrow
top. The primary reason for this pattern is that:
Correct Answer -at each step, energy is lost from the system as a result of
keeping the organisms alive.
When niches overlap, natural selection may lead to the local elimination of
one species. Examples include barnacles in the intertidal and Paramecium
in the lab.
Correct Answer -competitive exclusion
Decomposition, the conversion of organic to inorganic, is mostly
accomplished by these two groups.
Correct Answer -fungi and bacteria
Organic material in various stages of decomposition (microbial decay.)
Correct Answer -detritus
,The carbon in the carbon cycle is converted from inorganic to organic in
this process.
Correct Answer -photosynthesis
In ecosystem dynamics, ________ flows and ______ cycles.
Correct Answer -energy - matter
Most photosynthetic organisms use nitrogen from ammonium, nitrite, and
nitrate but cyanobacteria can extract nitrogen from ___________.
Correct Answer -the atmosphere
The origin of phosphate in the phosphorus cycle?
Correct Answer -rocks and soils
Organisms require phosphate for all of these macromolecules EXCEPT?
Correct Answer -glucose
Scientific study of the interactions among organisms and between
organisms and their environment.
Correct Answer -ecology
Group of organisms of the same species all living in the same place at the
same time.
Correct Answer -population
At their simplest, a virus contains the following.
Correct Answer -genetic material surrounded by a protein coat
, Is a virus living?
Correct Answer -depends on your definition of life
Why are some viruses like HIV and SARS-CoV-2 referred to as
retroviruses?
Correct Answer -they use reverse transcription to make viral DNA
What are the two most common proteins that are part of the viral capsid?
Correct Answer -Hemagglutinin and neuraminidase
Which of the following cycles destroys a cell infected by a virus?
Correct Answer -lytic
The worst pandemics include these two features.
Correct Answer -easily transmitted and impacts the respiratory system
The estimate of the number of viruses on Earth?
Correct Answer -more than there are stars in the universe
A virus that attacks bacteria?
Correct Answer -bacteriophage
What is used for the Covid 19 vaccine?
Correct Answer -a strip of messenger RNA (mRNA)
Approximately how many individuals in the United States have tested
positive for Covid 19?
Correct Answer ->6 million
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