ASU BIO 182 EXAM FINAL EXAM 2025/2026 NEWEST
ACTUAL EXAM COMPLETE QUESTIONS AND 100%
CORRECT DETAILED ANSWERS (VERIFIED AND
GRADED A+)
What are some advances in agriculture? - ANSWER--
Breeding superior plants
-Increased use of irrigation
-Use of chemical fertilizers
-Use of chemical pesticides
How is energy transferred through the food pyramid? -
ANSWER-Decomposer -> primary producer -> primary
consumer -> secondary consumer -> tertiary consumer
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What is a trophic level? - ANSWER--"Feeding" level,
organisms that obtain energy from the same type of
source
What is biomagnification? - ANSWER--Some pesticides
aren't broken down and become more concentrated at
each trophic level
What does NPP mean and how much is being used by
humans? - ANSWER--Net Primary Productivity = total
amount of chemical energy supplied by plants
-Humans use 24% of Earth's NPP
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What are some reasons the birth rate has declined in the
last 50 years? - ANSWER--Women choosing to have less
children
-Regions with lowest birthrates have the most abundant
resources and education of women is encouraged
What is demographic transition? - ANSWER--The
transition from high birth and death rates to lower birth and
death rates
What are density dependent factors? - ANSWER--
Predation, disease, competition between species (usually
biotic)
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What is carrying capacity? - ANSWER--The maximum
population that can be supported indefinitely in an
environment
-Birth rate = death rate
-(K)
What is exponential growth and when does it occur in
nature? - ANSWER--Exponential growth is positive growth
-Observed in 2 circumstances: a few individuals found a
new population in a new habitat, or a population has been
devastated by a catastrophe and begins to recover,
starting with a few surviving individuals