ASU BIO 182 EXAM 3 Questions and
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QUESTIONS AND ANSWERS
What is a resource? ANSWER -Any substance an organism requires to survive or
reproduce. Ex) food, water, mates shelter, nutrients, oxygen/co2
What factors determine prey choice? ANSWER -Energy content, encounter rate, handling
time, search cost
Profitability ANSWER -(energy / handling time)
animals = high profitability
fruits/veggies = low profitability
Why not grow to largest population size possible? 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 ANSWER -Maintenance, production, activity
Why is reproduction costly? ANSWER -• Energy for mating, gametes, and parental care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
population ANSWER -group of species living in a given area
Sampling ANSWER -count individuals in a few small areas & extrapolate for the entire
area
Verified Solutions 100% Correct Answers
Already Graded A+
QUESTIONS AND ANSWERS
What is a resource? ANSWER -Any substance an organism requires to survive or
reproduce. Ex) food, water, mates shelter, nutrients, oxygen/co2
What factors determine prey choice? ANSWER -Energy content, encounter rate, handling
time, search cost
Profitability ANSWER -(energy / handling time)
animals = high profitability
fruits/veggies = low profitability
Why not grow to largest population size possible? 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 ANSWER -Maintenance, production, activity
Why is reproduction costly? ANSWER -• Energy for mating, gametes, and parental care
• Exposure to predators & impaired locomotion
• Missed opportunity to feed & thermoregulate
population ANSWER -group of species living in a given area
Sampling ANSWER -count individuals in a few small areas & extrapolate for the entire
area
