Multiple Choice: The American eel is born is born in the Sargasso Sea, moves to rivers as far inland as Oklahoma, and then returns to the Sargass Sea to breed. It has a ___ life cycle.
complex
catadromous
amphidromous
anadromous
1 points
Multiple Choice: The clownfish transitions from male to female based on its surroundings. It is an example of
Simultaneous hermaphroditism.
Protogyny
Protoandy
Monoecious
Multiple Choice: Which survivorship curve best describes most marine organisms (few adults produce large number of eggs and larvae)?
Type I
Type II
Type III
None of the above
1 points
Multiple Choice: Herds of elephants spread across a savanna is an example of what kind of dispersion?
uniform
clumped
scattered
random
1 points
Which of the following methods would work best to estimate flower species diversity?
distribution mapping
Lincoln Peterson index
quadrats
mark-recapture
1 points
Which of the following sampling techniques represents an index of abundance rather than an estimate of density?
ratio of marked and unmarked mice in a field
density of oak trees within a quadrat
number of duck calls captured by microphones
number of bears observed along transects
1 points
Of the following, which is mostly likely to be related to an Allee effect?
breakdown of breeding behaviors
increased access to resources
un-controllable growth
changes in maturation rates
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