CH 9
A group of individuals of a single species inhabiting a specific area.
Population
The number of individuals of a particular population that the environment can support.
Carrying capacity
What is the name of the type of species interaction where both species benefit?
Mutualism
This type of interaction is when one species benefits and the other is neither benefited or harmed.
Commensalism
A mouse would be an example of which type of life history classification?
r selection
The term for all the factors necessary for a species existence – when, where, and how a species makes its living
Niche
Movement out of a local population.
Emigration
Which type of life history classification has attributes like few and large offspring?
K selection
What type of organism can change the behavior of its host?
Parasite
A type of plant mutualism we discussed that is between plant roots and ____ fungi.
Mycorrhizal
On a small scale, what are the 3 types of population distributions?
Random, regular and clumped
A group of subpopulations living on habitat patches connected by exchange of individuals among patches.
Metapopulation
Seed dispersal impacts seed size. Name 3 of the 6 types of seed dispersal we discussed.
Unassisted, wind, adhesive, ant, vertebrate, scatter hoarded.
BONUS: name the other 3.
The Lotka-Volterra model shows what type of interaction?
Predator prey interactions
When one organism makes its living at the expense of another.
Exploitation
As population density decreases organism size tends to ______.
increase
Describe a Type I survivorship curve in terms of age and survival.
Majority of mortality occurs among older individuals
This is the principle that states that if an organism uses energy for one function, it reduces the amount of energy available for other functions.
Principle of allocation
This type of mutualism is where the species are dependent on the mutualistic relationship.
Obligate mutualism
On a large scale, population distribution is ____.
clumped
The California condor is an example of this type of rarity with its restricted range, narrow habitat tolerance and small population.
Rarity type III
With depleted resources we get this type of population growth (see graph)
sigmodial (S – curve)
What is the name of the type of species interaction where one species is negatively impacted while the other species experiences no impact?
Amensalism
What are the 4 types of refuges?
Flight, large size, space, protection in numbers
A measure of the reproductive capacity of an individual (number of eggs or seeds produced).
Fecundity