Speciation
Population Growth
Survivorship 1
Survivorship 2
100
A physical barrier such as a canyon forming separating members of the same species is an example of
geographic isolation
100
Populations that grow exponentially are called this type of curve.
J curve
100
A population that levels off at the carrying capacity with have a population graph that resembles the letter _
S
100
These type of strategists reproduce slowly and have high parental care
K strategists
200
Different snail species have different shaped shells preventing them from reproducing with one another.
mechanical isolation
200
The rate at which a species increases is called its biotic potential and is based on its habitat requirements and _________ rates
reproductive
200
Death rate
Mortality
200
These type of strategists reproduce quickly, low parental care, and high mortality
R strategists
300
The Eastern and Western Spotted Skunks live in overlapping areas, but breed at different times of the year.
Temporal Isolation
300
Limiting factors prevent a species from increasing forever. These factors may cause a species to _____ or ______
die or move out of an area
300
Number of offspring produced
fertility
300
A population ________ shows a snapshot of a current population
pyramid
400
Speciation occurs when the gene pool of two populations is separated and cannot be shared through reproduction a new ___________ may develop.
species
400
The number of organisms the environment can sustain / support over a long period of time
carrying capacity
400
The ability to reproduce
fecundity
400
What does this population pyramid show the population doing?
decreasing
500
Competition between species is called
interspecific competition
500
Predators and disease are examples of ______ factors that can affect the carrying capacity of a population
biotic
500
Birth
natality
500
The main difference between s and j curves is that s curves have a ____________ capacity
carrying