Biology 104 Exam 4 Questions and
Answers
An r-selected species typically - Answer -has an advantage in habitats that experience
unpredictable disterbances
Which of the following is as example of predation? - Answer -a hawk swooping down to
capture, kill, and eat a snake
To obtain optimal production in a small garden, one should - Answer -plant seeds in a
uniform pattern throughout the garden
What kind of curve represents exponential growth? - Answer -J-shaped
Guppies form two distinct populations that differ in life history traits. These traits appear
to relate to the local predator populations...., which experiment would best test the
heritability of these traits? - Answer -Raise both populations without predators to see if
they maintain their life history traits
The maximum number of individuals a habitat can support is called its - Answer -
carrying capacity
When two different populations in a community benefit from their relationship with each
other, the result is called - Answer -mutualism
What kind of curve represents logistic population growth model - Answer -S -shaped
Field mice are preyed on by snakes and hawks. The entry of wild dogs into the
ecosystem adds another predator of the mice. The most likely short-term result of this
addition is - Answer -a reduction in numbers of mice
A community is composed of - Answer -potentially interacting populations of different
kinds of organisms
Within an ecosystem, a tree is a - Answer -producer
A demographic tool used to predict a population's future growth is - Answer -age
structures
Answers
An r-selected species typically - Answer -has an advantage in habitats that experience
unpredictable disterbances
Which of the following is as example of predation? - Answer -a hawk swooping down to
capture, kill, and eat a snake
To obtain optimal production in a small garden, one should - Answer -plant seeds in a
uniform pattern throughout the garden
What kind of curve represents exponential growth? - Answer -J-shaped
Guppies form two distinct populations that differ in life history traits. These traits appear
to relate to the local predator populations...., which experiment would best test the
heritability of these traits? - Answer -Raise both populations without predators to see if
they maintain their life history traits
The maximum number of individuals a habitat can support is called its - Answer -
carrying capacity
When two different populations in a community benefit from their relationship with each
other, the result is called - Answer -mutualism
What kind of curve represents logistic population growth model - Answer -S -shaped
Field mice are preyed on by snakes and hawks. The entry of wild dogs into the
ecosystem adds another predator of the mice. The most likely short-term result of this
addition is - Answer -a reduction in numbers of mice
A community is composed of - Answer -potentially interacting populations of different
kinds of organisms
Within an ecosystem, a tree is a - Answer -producer
A demographic tool used to predict a population's future growth is - Answer -age
structures
