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.
Multiple Choice: The clownfish transitions from male to female based on its surroundings. It is an example of
Multiple Choice: Which survivorship curve best describes most marine organisms (few adults produce large number of eggs and larvae)?
None of the above
Multiple Choice: Herds of elephants spread across a savanna is an example of what kind of dispersion?
Which of the following methods would work best to estimate flower species diversity?
Lincoln Peterson index
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
Of the following, which is mostly likely to be related to an Allee effect?
breakdown of breeding behaviors
increased access to resources
changes in maturation rates