ASU BIO 182 Exam 3 questions with
complete solution.
What is a resource? ~CORRECT ANSWER~✓✓Any substance an organism
requires to survive or reproduce. Ex) food, water, mates shelter, nutrients,
oxygen/co2
What factors determine prey choice? ~CORRECT ANSWER~✓✓Energy content,
encounter rate, handling time, search cost
Profitability ~CORRECT ANSWER~✓✓(energy / handling time)
animals = high profitability
fruits/veggies = low profitability
Why not grow to largest population size possible? ~CORRECT ANSWER~✓✓•
Many die before having chance to reproduce
• All else being equal, early reproducers leave more decedents. Earlier you
reproduce, the earlier your children can reproduce
Energy budget ~CORRECT ANSWER~✓✓Maintenance, production, activity
Why is reproduction costly? ~CORRECT ANSWER~✓✓• Energy for mating,
gametes, and parental care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
, population ~CORRECT ANSWER~✓✓group of species living in a given area
Sampling ~CORRECT ANSWER~✓✓count individuals in a few small areas &
extrapolate for the entire area
Mark & recapture ~CORRECT ANSWER~✓✓Capture, mark & release
individuals. Resample & record number of marked and unmarked individuals
Why is human population growing exponentially? ~CORRECT
ANSWER~✓✓Resouces, medicine, sanitation, technology
Competitive exclusion principle ~CORRECT ANSWER~✓✓species competing
for identical resources cannot exist
Niche partitioning ~CORRECT ANSWER~✓✓niches appear to differ among
sympatric species
What happens when you remove a species from a community? ~CORRECT
ANSWER~✓✓Diversity goes down
What do indirect effects do to a species? ~CORRECT ANSWER~✓✓They can
have a massive effect on the community
complete solution.
What is a resource? ~CORRECT ANSWER~✓✓Any substance an organism
requires to survive or reproduce. Ex) food, water, mates shelter, nutrients,
oxygen/co2
What factors determine prey choice? ~CORRECT ANSWER~✓✓Energy content,
encounter rate, handling time, search cost
Profitability ~CORRECT ANSWER~✓✓(energy / handling time)
animals = high profitability
fruits/veggies = low profitability
Why not grow to largest population size possible? ~CORRECT ANSWER~✓✓•
Many die before having chance to reproduce
• All else being equal, early reproducers leave more decedents. Earlier you
reproduce, the earlier your children can reproduce
Energy budget ~CORRECT ANSWER~✓✓Maintenance, production, activity
Why is reproduction costly? ~CORRECT ANSWER~✓✓• Energy for mating,
gametes, and parental care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
, population ~CORRECT ANSWER~✓✓group of species living in a given area
Sampling ~CORRECT ANSWER~✓✓count individuals in a few small areas &
extrapolate for the entire area
Mark & recapture ~CORRECT ANSWER~✓✓Capture, mark & release
individuals. Resample & record number of marked and unmarked individuals
Why is human population growing exponentially? ~CORRECT
ANSWER~✓✓Resouces, medicine, sanitation, technology
Competitive exclusion principle ~CORRECT ANSWER~✓✓species competing
for identical resources cannot exist
Niche partitioning ~CORRECT ANSWER~✓✓niches appear to differ among
sympatric species
What happens when you remove a species from a community? ~CORRECT
ANSWER~✓✓Diversity goes down
What do indirect effects do to a species? ~CORRECT ANSWER~✓✓They can
have a massive effect on the community
